Usually, bitcoin miners are loud as jet engines, generate massive heat and look like something you'd rather hide somewhere outside of your house. The **NerdNOS Metal** takes a different position entirely. It prefers silence. It prefers quality of the materials. It prefers restraint. It's based on the ASIC chip of the first, legendary, Bitaxe, the Max, with an **underclocked BM1397**. However, this isn't a compromise. It's a philosophy. The idea that you don't need to extract every last terahash by brute force, that calm and efficiency can coexist in the same small, considered object. The **NerdNOS Metal** has an **aluminum** unibody. You notice it the moment you pick it up. That cold touch. Immediate. Unmistakable. And here's what I find genuinely clever. This thing is repurposed from a Nerdminer V2, a Lilygo T Display S2, given a new purpose inside a proper enclosure. Nothing thrown away. Nothing wasted. People don't talk about this fully open source device nearly enough. That's a shame, because somewhere in its making, someone stopped and actually cared. And that, more than any benchmark, is worth noticing. Description | Details ---|--- 🌐 Website | https://www.thesolomining.co/ 🏙️ Location | UK 📅 Year Released | 2025 💻 Hardware Model | NerdNOS Metal 🚀 Processing Power | 150-200 GH/s 🔨 Mining Algorithm | SHA-256 📡 Connectivity | Wi-Fi only (USB-C powered) 🔒 Security Features | N/A ⚙️ Compatibility | Compatible with Stratum V1 and Solo Pools 📈 Scalability | Standalone unit 💻 Power Consumption | ~8W 📏 Dimensions | ~11.5 cm x 5.5 cm x ? cm 🌐 Volume | N/A ⚖️ Weight | N/A 📱 Mobile App | None (web-based WiFiManager setup) 💬 Customer Support | GitHub repo & Discord community 🔄 Open Source | Yes (firmware via Bitaxe web flasher) 💳 Price | ~$100 🌍 Shipping Availability | Yes, ships internationally via https://www.thesolomining.co/ 📜 Warranty | TBD 📖 User Reviews | N/A ## NerdNOS Metal: What Is It? NerdNOS Display At its core, the NerdNOS Metal is an attachment board for the Nerdminer V2, specifically designed to plug into the Lilygo T Display S3 and turn it into something considerably more capable. Developed by **_WantClue_** , with enclosure design by **_Duncan_** (known as I Am GPIO of The Solo Mining Co.), this device pushes your little Nerdminer up to 150-200 GH/s, all while consuming around 8W of power. That last part is worth sitting with. Eight watts. The device runs off USB-C. You can power it from a power bank on your desk. NerdNOS Metal Weight The "Metal" in the name isn't marketing. The enclosure is a milled **aluminum** unibody, with a proper glass panel on the front and two side panels completing the build. It's tiny. It's quiet. And it looks, frankly, like it belongs somewhere nicer than most mining hardware ends up. The heart of the performance bump is the **BM1397 chip** , the same chip found in the Bitaxe Max. It's heavily underclocked here, and that's intentional. WantClue made a deliberate choice to prioritize thermal efficiency and silence over raw numbers. The result is a device that runs cool, sips power, and sits on your desk without demanding your attention. This isn't a device that tries to impress you with specs. It impresses you by being exactly what it needs to be, nothing more. ## How The NerdNOS Metal Works NerdNOS Screen The NerdNOS Metal works by attaching the NerdNOS PCB directly to a Lilygo T Display S3, extending the Nerdminer V2's capability with the addition of the BM1397 ASIC chip. Once assembled inside the aluminum enclosure, the whole unit is powered via USB-C, requiring a minimum 2A output. The BM1397 handles the actual SHA-256 hashing work, achieving 150-200 GH/s. The heavy underclocking keeps power draw at roughly 8W, which is what allows the device to run so quietly and stay within safe thermal limits without aggressive cooling. Airflow is managed through a fan intake on one side of the enclosure and an exhaust on the other. A custom heatsink, redesigned specifically for this enclosure, sits directly over the BM1397. An air funnel channels airflow from the fan directly across the heatsink surface, keeping the chip at comfortable operating temperatures. The NerdNOS board itself has no fan controller, so the fan runs at a fixed speed, which is another reason WantClue recommends using a silent fan. The Lilygo T Display S3 handles the interface side of things, running the NerdNOS firmware and driving the screen. Three display screens give you different views: mining data, a clock miner mode, and global Bitcoin network stats. Two physical buttons on the unit let you cycle between screens or toggle the display off entirely, while mining continues in the background. Connectivity is entirely **wireless**. Setup happens through a Wi-Fi captive portal, the same straightforward process as the original Nerdminer V2. ## NerdNOS Metal Features ### Aluminum Unibody Enclosure NerdNOS Back The enclosure is the story. Milled from a single block of aluminum, it gives the device a weight and solidity you don't expect at this price point. The glass panel on the front sits flush and clean. It's the kind of object you put on your desk and don't want to hide. ### BM1397 ASIC Chip The same chip used in the Bitaxe Max. Running heavily underclocked here to achieve that 8W power draw, it delivers 150-200 GH/s, a substantial step up from the base Nerdminer V2. ### Three Display Screens The NerdNOS firmware gives you three modes on the Lilygo display. The NerdNOS Screen shows your active mining data. The ClockMiner Screen displays a stylized clock alongside mining info. The GlobalStats Screen pulls live Bitcoin network data including block height, hashrate, and current BTC price via API. ### USB-C Powered NerdNos USB Port Minimum 2A. Can run off a power bank. No dedicated power brick required. ### Silent Operation The heavy underclocking combined with the custom heatsink and a recommended silent fan means the NerdNOS Metal can sit in any room without making itself known. This isn't a compromise; **it's the whole point**. ### Custom Heatsink WantClue redesigned the heatsink specifically to work within this enclosure. It fully covers the BM1397 and works in tandem with the air funnel to keep temperatures in check. ### Open Source Firmware The firmware is installable via the Bitaxe web flasher, no IDE or VS Code needed. Flash it directly from your browser before assembly. ### Simple Two-Button Interface Button 1 cycles through display screens, or holds to reset saved settings. Button 2 toggles the display on and off while mining continues uninterrupted. ## How It Compares To The NerdMiner V2 The NerdMiner V2 is where the NerdNOS Metal begins. Literally. The Lilygo T Display S3 that sits at the heart of the Metal is the same hardware, repurposed and extended rather than replaced. The base NerdMiner V2 runs entirely on the ESP32 microcontroller inside the Lilygo display. It's a solo miner in the purest lottery-ticket sense of the word, operating at a few kilohashes per second. A wonderful little device. But let's be honest about the numbers. The NerdNOS PCB changes that picture meaningfully. By adding the BM1397 chip, you're **jumping from a few KH/s to 150-200 GH/s**. That's not an incremental upgrade. It's a different category of device sharing the same body. The power draw goes up, naturally. The base Nerdminer V2 runs on almost nothing. The NerdNOS Metal sits at around **8W** , similar to a CmRat Bitcoin Node, still remarkably efficient, but a step up. The tradeoff is obvious and worth it. What stays the same is the philosophy. Simple setup. Wi-Fi only. A screen that tells you what's happening. No fuss. The NerdNOS Metal is a NerdMiner V2 that grew up, without losing what made it approachable in the first place. And there's something genuinely thoughtful about the approach here. Rather than building a new device from scratch, WantClue extended an existing one. The Lilygo T Display S3 you might already own becomes the foundation of something considerably more capable. Nothing wasted. ## NerdNOS Metal Quick Review Category | Feature | Score ---|---|--- **🔐 Profitability and Performance (28/50)** | | 💰 Efficiency | 53.3 J/TH (8W ÷ 0.15 TH/s) | 2/10 💵 Economic Efficiency | $666.67 /TH ($100 ÷ 0.15 TH/s) | 2/10 📈 Interest Ratio | 35,533 (53.3 × 666.67) | 1/5 💹 Price Weighted Interest Ratio | 3,553 (53.3 × 666.67 × 100) ÷ 1000 | 1/5 💡 Monthly Electric Bill | $0.86 (8W × 24h × 30 days × $0.15/kWh ÷ 1000) | 5/5 ⛏️ Hashrate | 0.15 TH/s | 1/5 ⚡ Power Consumption | 8W | 5/5 💲 Price | $100 | 5/5 **🚀 Features (47/50)** | | ✔️ Compatibility | SHA-256, connects to most pools | 5/5 📶 Connectivity | Wi-Fi only, USB-C powered | 4/5 📏 Form Factor | Milled aluminum unibody, glass panel | 5/5 🔊 Noise | Near-silent (underclocked BM1397, silent fan) | 5/5 🔄 Open Source | Open Source firmware via Bitaxe web flasher | 5/5 ⛏️ Solo Mining | Supports Solo Mining pools | 5/5 🌡️ Heat | Low thermals, custom heatsink and funnel | 5/5 🤝 Support | GitHub repo & Discord community | 5/5 📜 Warranty | TBD | 3/5 ⏳ 3yr Possession Cost | $130.96 ($0.86 × 36 months + $100) | 5/5 **🧱 blockdyor Score (75/100)** | | ## How To Start Mining With The NerdNOS Metal NerdNOS Dashboard **Step 1: Flash the Firmware** _If you get the pre-assembled one, you can skip this step, as it comes pre-flashed._ Before assembling anything, connect the Lilygo T Display S3 to your computer and flash the NerdNOS firmware via the Bitaxe web flasher. No IDE required. Find the link in the NerdNOS GitHub repo. **Step 2: Power On** Connect the NerdNOS Metal to a USB-C port with at least 2A output. Wait a few seconds for the device to boot up. A Wi-Fi message will appear on the display. **Step 3: Connect to the Setup Network** Scan the QR code on screen, or go to your Wi-Fi settings manually and connect to the "NerdMinerAP" network. Password: `MineYourCoins`. **Step 4: Configure via WiFiManager** The WiFiManager page opens automatically in your browser. Tap "Configure WiFi." Select your home network and enter the password. Note: the password field is case sensitive. **Step 5: Enter Your Details** In the "Your BTC address" field, paste your on-chain Bitcoin address. Delete the placeholder text `yourBtcAddress` first. Set your timezone: `2` for Central European Summer Time, `1` for Central European Winter Time. **Step 6: Save and Mine** Hit Save. The device connects to your network and begins mining. You can verify your connection by checking your BTC address on the pool you're connected to. **Button Reference** Button | Action ---|--- Button 1 (short press) | Switch to next display screen Button 1 (hold on power-up) | Change existing saved entries Button 1 (hold 5 seconds) | Reset all saved entries Button 2 (short press) | Toggle display on/off (mining continues) ## NerdNOS Metal Alternatives ### Bitaxe Gamma The Bitaxe Gamma is the spiritual foundation of the home mining revival. Open-source, community-driven, and genuinely accessible. It runs a single BM1366 chip and delivers around 1.2-1.4 TH/s at roughly 15-18W, which makes it considerably more powerful than the NerdNOS Metal in raw hashrate terms. The tradeoff is form factor and power draw. The Bitaxe Gamma uses an open board design, no enclosure included, which makes it more exposed and less desk-friendly. It also draws more power. If you want maximum open-source hashrate on a budget, the Gamma is hard to argue with. If you want something you'd actually want on your desk, the NerdNOS Metal has a clear edge. ### Canaan Avalon Nano 3S The Avalon Nano 3S is the corporate option. Canaan is one of the oldest ASIC manufacturers in the business, and the Nano 3S brings industrial reliability to the home market. It delivers 6 TH/s at 140W, with both Wi-Fi and Ethernet connectivity and a 360-day warranty. The numbers are impressive. The efficiency less so, at 23.3 J/TH compared to the NerdNOS Metal's lean 8W total draw. It's a closed-source device with proprietary firmware, which matters if you care about community-driven development. And it costs considerably more. For someone who wants maximum hashrate regardless of power bill, it's a strong option. For someone who wants a quiet, elegant, low-footprint device, the NerdNOS Metal is a different kind of answer. ### Comparison Summary Feature | NerdNOS Metal | Bitaxe Gamma | Avalon Nano 3S ---|---|---|--- Hashrate | 150-200 GH/s | 1.2-1.4 TH/s | 6 TH/s Power | ~8W | 15-18W | 140W Chip | BM1397 | BM1366 | Proprietary Open Source | Yes | Yes | No Enclosure | Aluminum unibody | Open board | Injection-molded Connectivity | Wi-Fi (USB-C) | Wi-Fi | Wi-Fi + Ethernet Display | Glass panel, 3 modes | Yes | Yes Best For | Desk aesthetics, low power | Budget, learning | Maximum hashrate * * * ## NerdNOS Metal Pros & Cons Pros | Cons ---|--- ✅ Milled aluminum unibody, genuinely premium build | ❌ No easy way for OTA updates ✅ ~8W power draw, can run from a power bank | ❌ No web dashboard ✅ Near-silent operation | ❌ To change pool you must reset it ✅ Repurposes existing Nerdminer V2 hardware | ✅ Three display modes including live global stats | ✅ Open-source firmware | ✅ Can be easily setup via HashLink | ✅ Eco-conscious design, nothing wasted | ## Bottom Line The NerdNOS Metal doesn't compete with industrial home miners on hashrate. That's not the point. It takes a Nerdminer V2, a Lilygo T Display S3 you might already own, adds a BM1397 chip running at a careful 8W, wraps it all in a milled aluminum body with a glass panel, and puts something genuinely considered on your desk. WantClue and Duncan made real decisions here. Decisions about silence, materials, and not wasting what already exists. 150-200 GH/s isn't going to make you rich. Solo mining never was about that. It's about participating, about having skin in the game in the most direct way possible, with a device that respects the space it occupies. If you want maximum hashrate, look elsewhere. If you want something quiet, beautiful, and honest, the NerdNOS Metal is worth every bit of attention it rarely gets. #### NerdNOS Metal Evaluation The NerdNOS Metal earns a 75/100 on the blockdyor score. It's not the fastest device in this roundup, and it doesn't try to be. What it does, it does exceptionally well. The build quality is the headline. Milled aluminum at this price point, in this category, is simply not what you expect. Someone cared. The near-silent operation, the thoughtful repurposing of existing hardware, the clean three-mode display, all of it points to a device made by people who thought carefully about what they were building and why. It's available through thesolomining.co in the UK, shipping internationally. If you already have a Lilygo T Display S3 with GPIO pins, the PCB alone opens up a compelling upgrade path. If you're starting fresh, the complete Metal enclosure is the way to go. This is the kind of device that doesn't get talked about enough. Now you know about it. ## Frequently Asked Questions (FAQ) ### What hashrate does the NerdNOS Metal achieve? The NerdNOS Metal delivers 150-200 GH/s by adding a BM1397 ASIC chip to the Nerdminer V2 platform. The chip is heavily underclocked to keep power draw at around 8W. ### What hardware does the NerdNOS Metal use? It's built around the Lilygo T Display S3 (the Nerdminer V2 platform) with the NerdNOS PCB attached. The PCB was developed by WantClue with help from Pmax. The aluminum enclosure was designed by Duncan (I Am GPIO) of The Solo Mining Co. ### Is the NerdNOS Metal open source? Yes. The firmware is open source and installable via the Bitaxe web flasher directly from your browser. No IDE or development environment needed. ### How much power does it consume? Around 8W. It's USB-C powered with a minimum 2A requirement, which means it can run off a power bank. ### Is it noisy? No. The heavy underclocking and custom heatsink keep temperatures low. The NerdNOS board has no fan controller, so a silent fan (such as a Noctua) is recommended for the quietest experience. ### Does it support solo mining? Yes. Configure your preferred solo mining pool via the WiFiManager setup and your BTC address, and you're mining solo. ### Do I need to own a Nerdminer V2 already? You need a Lilygo T Display S3 with GPIO pins soldered. The product number is H577 from Lilygo directly, or available on AliExpress for around $15. The NerdNOS Metal is sold as a complete ready-to-go unit through thesolomining.co. ### How do I flash the firmware? Via the Bitaxe web flasher, linked in the NerdNOS GitHub repository. Connect your Lilygo T Display S3 before assembly and flash directly from your browser. ### Where can I buy the NerdNOS Metal? Through thesolomining.co in the UK, which ships internationally. WantClue has also discussed the possibility of selling units directly.

## What Is HashLink? HashLink is a mobile monitoring app for iOS that brings professional-grade mining management to your pocket. Developed by WantClue, it launched as the first app to give Bitcoin miners true control over their devices from a smartphone. The app focuses on three main device categories: Bitaxe/NerdQAxe++ solo miners, Canaan miners and Braiins OS miners. It's essentially a control center that lets you see every detail of your mining operation from one screen. What makes HashLink different is its direct-to-device approach. Your miner data is fetched straight from your devices. No cloud middleman required. This means your operation stays private, whether you're running a single Bitaxe in your bedroom or managing a warehouse full of ASICs. Feature | Description ---|--- 🌐 Website | N/A 🏙️ Headquarters | Germany 📅 Year Founded | 2026 (estimated) 🛍️ Primary Function | iOS app for monitoring and controlling Bitcoin mining hardware 💳 Payment Methods | Apple App Store (credit card, Apple Pay) 💰 Pricing | Free tier available, Pro: $1.99/mo or $12.99/yr 🔧 Supported Hardware | Bitaxe, NerdAxe, NerdNOS, Avalon (Nano 3/3s/Q/Mini 3), Braiins OS, Canaan miners 🚀 Key Features | Real-time monitoring, device overclocking, fan control, dual-pool mining, global highscores leaderboard 🌍 Accessibility | iOS only (iPhone/iPad) 🔐 Privacy | 100% local network, no cloud storage, direct device connection 👥 Community Focus | Home miners, solo miners, small-scale operations 🔗 Integrations | Direct API connection to mining devices over local network 📞 Support Channels | https://www.wantclue.de/ ⭐ App Rating | N/A 📊 Monitoring Metrics | Hashrate, power, temperature, efficiency, voltage, fan speed, shares, uptime ## HashLink Overview HashLink Overview HashLink positions itself as the fastest, best way to monitor and tune your mining hardware. The claim is bold, but the execution backs it up. You get a bird's-eye view of your entire operation. All devices visible on one screen with the stats that actually matter. The app supports some of the most popular mining hardware in the home mining space. Braiins OS miners get full integration. Bitaxe and NerdQAxe++ devices get custom overclock tunes. Canaan miners get solid monitoring. Each device type has its own set of controls and features. Real-time visibility is the core value proposition. You see true hashrate (TH/s), power consumption (kW), temperatures (°C), and efficiency (W/TH) at a glance. The metrics are bold, clear, and designed for quick decisions. ## How HashLink Works HashLink connects directly to your miners over your local network. You automatically scan the miners in your network, or manually add devices by entering their IP addresses. Once connected, the app pulls data continuously and displays it in real-time dashboards. The interface is split into several key sections. The home dashboard shows all your devices in a list view. Each device card displays current hashrate, power draw, temperatures, and status indicators. A quick scroll gives you the full picture. Tapping any device opens a detailed view. Here you get device statistics like voltage, VR temperature, efficiency, fan speed, shares accepted, pool status, and uptime. Everything a miner needs to diagnose issues or verify performance. The app also includes device settings. You can adjust frequency and core voltage with sliders. Fan control is automatic by default, but you can override it if needed. Quick actions let you restart devices, refresh stats, or identify which physical unit you're looking at. ## Privacy by Design HashLink fetches data directly from your devices. There's no third-party cloud service storing your mining stats. No centralized server tracking your operation. Your data stays on your network and your phone. This is huge for miners who value privacy. You're not sending hashrate data, device counts, or power consumption stats to some company's servers. The app works entirely within your local network. If you're offline from the internet, HashLink still functions perfectly as long as you're connected to your miners via WiFi or local network. The privacy-first approach extends to the Pro subscription model. You pay through Apple's App Store, not some third-party payment processor. Your mining operation details never leave your control. ## Supported Devices Hashlink Supported Devices HashLink supports a wide range of mining hardware, organized by manufacturer and firmware: **BITAXE** * Bitaxe (Open-source Bitcoin solo miner) **NERDMINER** * NerdAxe (Open-source Nerd*Axe series) * NerdNOS (World smallest Bitcoin ASIC miner) **AVALON** * Avalon Nano 3 (Compact desktop miner) * Avalon Nano 3s (Compact desktop miner) * Avalon Q (Quiet home miner) * Avalon Mini 3 (Mini form factor miner) **BRAIINS** * Braiins OS (Devices running Braiins OS firmware) **COMING SOON** * Antminer (Bitmain Antminer Stock firmware series) * Whatsminer (MicroBT Whatsminer Stock firmware series) * LuxorOS The supported devices list is actively expanding. The "Coming Soon" section shows WantClue's commitment to broader hardware support. This matters for miners who run mixed fleets or plan to expand their operations. ## Dashboard and Real-Time Monitoring Hashlink Main Dashboard The dashboard is where you spend most of your time. It's clean, fast, and information-dense without feeling cluttered. At the top, four key metrics give you the fleet overview: * Devices online (e.g., 4/4) * Total hashrate (e.g., 10.21 TH/s) * Best difficulty achieved * Total power consumption (e.g., 210.0 W) Below that, each miner gets its own card. The cards show device name, IP address, current hashrate, difficulty, shares accepted, power draw, pool status, and temperature. Status indicators use color coding. Green means online and hashing. You can spot problems instantly. The interface updates in real-time. You can watch hashrate fluctuate, temperatures rise and fall, and shares increment. It's addictive in the way good dashboards are. You find yourself checking it just to see your miners working. ## Device-Level Controls Hashlink Miner View Tap any device and you get granular control. This is where HashLink separates itself from basic monitoring apps. **Device Statistics:** * Voltage (e.g., 11.85 V) * VrTemp (e.g., 79.0 °C) * Efficiency (e.g., 17.88 J/TH) * Fan Speed (e.g., 5042 RPM) * Shares Accepted (e.g., 402) * Pool Status (Primary) * Uptime (e.g., 1d 2h 28m) **Device Settings:** * Frequency slider (400 MHz to 625 MHz) * Core Voltage slider (1100 mV to 1300 mV) * Automatic Fan Control toggle The sliders are responsive and precise. You can fine-tune your Bitaxe or NerdAxe without SSH or web interfaces. Just drag, watch the live stats update, and save when you're happy. **Quick Actions:** * Restart Device * Refresh Stats * Identify Device The Identify Device button is brilliant. It makes the physical device blink or signal so you know which unit you're controlling. Essential when you have multiple miners on a rack. ## Highscores and Community Hashlink Highscores HashLink includes a global leaderboard for solo mining achievements. The "Top 10 Highscores" section shows the best difficulty scores from miners around the world. You can enable "Share Highscores" in settings to participate. This shares your best mining difficulty with the community leaderboard. It's entirely optional. If you value privacy over bragging rights, just toggle it off. The leaderboard shows device type (e.g., NerdQAxe++, Gamma, NerdNOS, Avalon Nano 3s) and the timestamp of the achievement. Scores range from millions to billions of difficulty. It's a fun way to see what other miners are achieving and benchmark your own setup. This gamification element adds a social dimension to solo mining. You're not just hashing for yourself. You're competing (friendly competition) with other home miners globally. ## HashLink Pro Subscription Hashlink Pro The app offers a Pro subscription with enhanced features: **Benefits:** * Add more devices to monitor (unlimited in Pro vs limited in free tier) * Vote on new features to be added * Support ongoing development **Pricing:** * Yearly: $12.99/yr (46% off monthly equivalent) * Monthly: $1.99/mo The pricing is reasonable for what you get. At $12.99 per year, you're paying about $1.08 per month for professional mining management tools. Even the monthly option at $1.99 is cheaper than a coffee. The subscription is managed through Apple's App Store. You can restore purchases if you reinstall the app or switch devices. Standard App Store terms and privacy policies apply. ## Pool Settings and Presets Hashlink Pool Configuration HashLink includes pool configuration management. You can set up pool presets for quick switching. This is useful if you mine to different pools based on time of day, electricity rates, or personal preference. The interface shows your current pool settings. You can create multiple presets and switch between them without manually re-entering pool URLs, wallet addresses, and worker names. For miners who use dual-pool setups (a HashLink exclusive feature for NerdQAxe devices), you can configure both pools directly in the app. This lets your NerdQAxe mine simultaneously to two pools, maximizing your chances in solo mining scenarios. ## User Interface and Design HashLink's interface is dark-themed, which suits the mining aesthetic and reduces eye strain during late-night monitoring sessions. The typography is clear and readable. Numbers are large and bold where they need to be (hashrate, temperature, power). Secondary information uses smaller, dimmed text to create visual hierarchy. Color coding is consistent: * Green: Online, good status, confirmation * Orange: Warning, moderate priority action * Blue: Information, low priority action * Purple: Special function (identify) * Red: Danger zone, critical action The navigation bar at the bottom uses icons and labels: Home, Highscore, (add device), Control, Settings. The layout is intuitive. You don't need a manual to figure out where things are. Animations are subtle. Screen transitions are smooth. The app feels polished and professional, not like a first-gen prototype. ## Notifications and Alerts The Settings menu includes a Notifications option. While the screenshots don't show the detailed notification settings, the app mentions "Smart Alerts" in its feature list. Smart alerts notify you when chip temperatures exceed your threshold. This lets you act before problems escalate. If a fan fails or ambient temperature spikes, you get alerted immediately instead of discovering a burnt-out miner hours later. Proactive monitoring is the whole point. You want to catch issues early. HashLink's alert system keeps you informed without requiring constant manual checks. ## Settings and Configuration Hashlink Settings The Settings screen is well-organized: **SUBSCRIPTION** * HashLink Pro * Manage Subscription **POOL SETTINGS** * Pool presets **SETUP** * Notifications * Share Highscores toggle **INFO** * Supported Devices **DANGER ZONE** * Delete all Devices (in red text) The "Danger Zone" section is a nice UX touch. Destructive actions are visually separated and use warning colors. You won't accidentally wipe your device list. Version number is displayed at the bottom (Version 0.6.0) along with "Made with ❤️". Small touches like this show the developers care about the product and their users. ## Who Is HashLink For? HashLink targets home miners and small-scale operations. If you're running: * 1-10 Bitaxe units for solo mining * A few NerdQAxe++ devices * A small rack of Avalon Nano 3s * Mixed Braiins OS devices * Any combination of supported hardware This app is perfect. You get professional monitoring without professional complexity or cost. It's less suitable for: * Large mining farms (100+ devices) * Industrial operations requiring enterprise management * Miners using exclusively unsupported hardware (though support is expanding) The app scales reasonably well. The screenshots show 4 devices monitored simultaneously. The Pro subscription removes device limits, so you could theoretically monitor dozens. But the UI is optimized for small to medium operations where you care about individual device performance. ## Performance and Reliability Based on the screenshots and app description, HashLink appears stable and responsive. The app version (0.6.0) suggests it's past early alpha but still actively being improved. The 4.9-star rating with 112+ reviews indicates strong user satisfaction. Users aren't just tolerating this app. They genuinely like it. The fact that the app works locally (no cloud dependency) means reliability is mostly about your local network and device connectivity. If your WiFi is solid and your miners are powered on, HashLink works. Real-time updates appear fast. The screenshots show data refreshing actively (note the timestamps and live stats). There's no obvious lag or delay in the UI. ## Privacy and Security HashLink's "Privacy First" approach is a major selling point: 1. **No cloud storage** : Your miner data never leaves your local network 2. **Direct device connection** : App talks straight to your miners 3. **No account required** : You don't create a WantClue account (beyond Apple ID for App Store) 4. **Optional telemetry** : Highscore sharing is opt-in, not mandatory 5. **Local processing** : All data stays on your phone For Bitcoin miners who value sovereignty, this design philosophy aligns perfectly. You're not trusting a third party with operational data that could reveal your mining capacity, location, or behavior patterns. The app doesn't need permissions beyond local network access. No camera, contacts, location, or other invasive requests. ## Comparison to Alternatives Most miners manage devices through: 1. **Web interfaces** : Each device has its own IP and web dashboard 2. **SSH/command line** : Direct terminal access for advanced users 3. **Manufacturer apps** : Limited to specific brands **HashLink vs Web Interfaces:** * HashLink: Unified view, mobile-first, quick checks * Web: Per-device, desktop-focused, detailed but slow **HashLink vs SSH:** * HashLink: Visual, user-friendly, fast adjustments * SSH: Text-based, expert-level, maximum control **HashLink vs Manufacturer Apps:** * HashLink: Multi-brand support, open ecosystem * Manufacturer apps: Single-brand, limited features HashLink fills the gap between "I just want to check my miners quickly" and "I need to diagnose and fix a specific technical issue." It's the everyday driver app. You still might SSH in for advanced troubleshooting, but 90% of the time, HashLink handles everything you need. ## Future Development The roadmap indicators in the app show active development: * Additional hardware support (Antminer, Whatsminer, LuxorOS) * Feature voting for Pro subscribers WantClue is clearly committed to improving HashLink. The "Vote on new features" Pro benefit suggests they're listening to user feedback and prioritizing accordingly. This feels like a passion project that happens to be commercially viable, not a cash grab. ## HashLink Pricing Free tier includes basic monitoring with device limits. For most home miners starting out, this is sufficient to evaluate the app. Pro subscription unlocks unlimited devices and development support. At $12.99/year, it's an easy decision if you're serious about mining. There's no lifetime purchase option, which some users might prefer. But the subscription model ensures ongoing development and server costs (if any future features require them) are covered. ## Getting Started with HashLink The setup process is straightforward: 1. Download HashLink from the iOS App Store 2. Open the app and grant local network permissions 3. Add your miners by entering their IP addresses 4. Configure pool settings if needed 5. Start monitoring No account creation, email verification, or complex onboarding. You're up and running in minutes. The "JOIN TODAY" button for Pro is prominent but not intrusive. You can use the free tier indefinitely if it meets your needs. ## Pros and Cons Pros | Cons ---|--- ✅ Excellent multi-brand hardware support | ❌ iOS only (no Android version yet) ✅ Privacy-first design (no cloud storage) | ❌ Requires local network access (can't monitor remotely yet) ✅ Clean, intuitive interface | ❌ Some advertised features still in development ✅ Real-time monitoring and controls | ❌ Device limits on free tier ✅ Affordable Pro subscription | ❌ No desktop version for Mac/Windows ✅ Active development and roadmap | ✅ Device-level overclocking and tuning | ✅ Global highscore leaderboard for fun | ✅ Quick actions (restart, refresh, identify) | ✅ Pool presets for easy switching | ## Bottom Line HashLink is the app home Bitcoin miners have been waiting for. It brings professional monitoring to your iPhone without the complexity of enterprise software or the privacy concerns of cloud-based solutions. For anyone running Bitaxe, NerdAxe, Avalon, or Braiins OS devices, this is a must-download. The free tier lets you test it risk-free. The Pro subscription is worth every penny if you're managing multiple devices. The app is actively developed, well-designed, and solves real problems. It's rare to find mining software that's both powerful and pleasant to use. HashLink manages both. If you're solo mining or running a small home operation, HashLink belongs on your iPhone's home screen. Download it, add your miners, and experience what proper mobile mining management feels like. #### Hashlink Evaluation ****Functionality (5/5):**** HashLink delivers on every promise. Real-time monitoring, device controls, overclocking, pool management, and detailed statistics all work flawlessly. The feature set is comprehensive for home miners. Nothing feels missing or half-baked in the current version. ****User Experience (5/5):**** The interface is exceptional. Clean design, logical organization, and smooth performance make using HashLink a pleasure rather than a chore. The dark theme suits mining aesthetics. Color coding prevents confusion. Navigation is intuitive. Even first-time users will feel comfortable within minutes. ****Privacy and Security (5/5):**** HashLink's local-only approach is perfect for Bitcoin miners who value sovereignty. No cloud storage, no third-party data sharing, no account requirement. Your mining operation stays completely private. This is how all mining software should work. ****Device Support (4/5):**** Current support covers the most popular home mining hardware. Bitaxe, NerdAxe, Avalon, and Braiins OS miners are well-served. The "Coming Soon" list (Antminer, Whatsminer, LuxorOS) shows commitment to expansion. Loses one point only because some popular devices aren't supported yet. But this will improve over time. ****Value for Money (5/5):**** Free tier is genuinely useful, not a crippled demo. Pro subscription at $12.99/year is absurdly affordable for what you get. The cost is less than the electricity your miners use in a single day. Even at $1.99/month, it's cheaper than most streaming services and provides far more utility for miners. ****Overall Rating (4.8/5)**** : HashLink is the best mobile mining management app currently available for iOS. It combines professional-grade monitoring with consumer-friendly design and privacy-first architecture. The only thing holding it back from a perfect 5.0 is platform limitation (iOS only) and some features still in development. ## Frequently Asked Questions (FAQ) ### What is HashLink? HashLink is an iOS app for monitoring and controlling Bitcoin mining hardware. It supports Bitaxe, NerdAxe, Avalon, Braiins OS, and other popular miners. The app provides real-time statistics, device controls, and fleet management from your iPhone. ### Which devices does HashLink support? HashLink currently supports Bitaxe, NerdAxe series, NerdNOS, Avalon Nano 3/3s/Q/Mini 3, and Braiins OS devices. Support for Antminer, Whatsminer, and LuxorOS is coming soon. ### Is HashLink free? HashLink offers a free tier with basic monitoring and device limits. The Pro subscription ($12.99/year or $1.99/month) removes device limits and adds features like voting on new features and supporting ongoing development. ### Does HashLink require an account? No. HashLink works without creating a WantClue account. You only need an Apple ID to download from the App Store and optionally subscribe to Pro. ### Is my mining data stored in the cloud? No. HashLink fetches data directly from your devices over your local network. No mining statistics, device information, or operational data is sent to cloud servers. Your data stays private. ### Can I use HashLink remotely? Not yet. The current version requires connection to your local network. ### What mining statistics can I see? HashLink shows hashrate, power consumption, temperatures (chip, VR, inlet, exhaust), fan speed, efficiency, voltage, shares accepted, pool status, uptime, and difficulty. ### Can I overclock my miners with HashLink? Yes. HashLink provides frequency and voltage sliders for supported devices. You can create custom overclock profiles for Bitaxe and NerdAxe devices and see live results. ### What is the Highscores feature? Highscores is a global leaderboard showing the best difficulty achievements from solo miners worldwide. Participation is optional via the "Share Highscores" toggle in settings. ### Does HashLink work with mining pools? Yes. You can configure pool settings, create pool presets, and switch between pools. The app supports dual-pool mining on NerdQAxe devices. ### Is HashLink available for Android? Not currently. HashLink is iOS-only. Android support has not been announced but may come in future updates. ### How many devices can I monitor? The free tier has device limits. A Pro subscription removes all device limits, letting you monitor as many miners as you want. ### Can I control fan speeds? Yes. HashLink offers automatic fan control (recommended) and manual override options for supported devices. ### What are Pool Presets? Pool Presets let you save multiple pool configurations and switch between them quickly without re-entering URLs, addresses, and worker names. ### Does HashLink drain my iPhone battery? Real-time monitoring uses some battery, like any active app. But since data is fetched locally (not via cellular), the impact is minimal. Close the app when not needed to conserve battery. ### Who develops HashLink? HashLink is developed by WantClue, a team focused on Bitcoin mining tools and software. ### Can I export mining reports? The app description mentions an "Export Reports" feature for daily PDF reports, service planning, and electricity tracking. This helps with auditing and team handoffs. ### What is the Identify Device feature? Identify Device makes your physical miner blink or signal so you can identify which unit you are controlling. Essential when managing multiple devices on a rack. ### How do I update HashLink? Updates are delivered through the iOS App Store like any other app. The app will notify you when updates are available. ### What if my device isn't supported? Check the "Supported Devices" section in settings for the current list. If your device is not there, check the "Coming Soon" section. You can also use the Pro subscription's feature voting to request support for your hardware.

Satoshi Nakamoto's Bitcoin Whitepaper changed everything. For those who believe in what Bitcoin represents, owning a physical piece of that history feels meaningful. Tolli Studio Arts took that idea seriously. Feature | Details ---|--- 🏷️ Brand | Tolli Studio Arts 🌐 Website | tolli.studio 📍 Based In | England 🗓️ Founded | 2018 🎨 Collection | Satoshi Whitepaper, Genesis Block, 01/21, 02/21 🔩 Material | Metal alloy ✏️ Technique | Laser etching 📐 Size | A4 / US Letter 🖼️ Style | Minimal, modern 💸 Price | From £24.99 🔧 Installation | Heavy-duty adhesive tape, no tools needed 🧹 Care | Dry cloth only, no chemicals ♾️ Durability | Built to last, scratch-resistant surface 📦 Editions | Limited original pieces ## What Is It? Tolli Bitcoin Whitepaper Wall Art 1 It's a laser-etched metal alloy print of the full Bitcoin Whitepaper, A4 size. Every word is legible. Every character is sharp. It's not a poster. It's closer to a historical artifact you can hang on your wall. Tolli is an England-based studio founded in 2018. They focus on clean, minimal design with quality materials. This piece fits that philosophy well. tolli bitcoin art overview ## Who's It For? Tolli Bitcoin Genesis Block Wall Art Pretty much anyone in the Bitcoin space. Traders, long-term holders, cypherpunks, or finance professionals who want a conversation starter in their office. It also works for design-minded people who appreciate the cultural weight behind it. ## The Details Tolli Bitcoin Whitepaper Wall Art The metal alloy isn't just a stylistic choice. It mirrors Bitcoin itself: durable, precise, and built to last. Installation uses heavy-duty adhesive tape on the back. Get your positioning right before pressing it down, because the bond is permanent. Care is simple. Wipe with a dry cloth. No chemicals. Don't bend it. ## Tolli Bitcoin Whitepaper Wall Art Look & Feel [VIDEO] ## Price Tolli.Studio Shop Tolli has a growing Bitcoin art collection on their official website. Current pieces include: * Satoshi Whitepaper * 01/21, bold pop art Satoshi lettering with a quote * 02/21, honeybadger, representing Bitcoin's resilience * Genesis Block, featuring the famous "Chancellor on brink of second bailout" headline My favorite is definitely their new piece "Bitcoin genesis block". It's something every bitcoiner should have as it represent the beginning of a currency that changed everything. ## Pros and Cons: A Balanced Perspective Pros | Cons ---|--- ✅ Unique and Highly Meaningful Artwork | ❌ Fixed to A4 US Letter size ✅ Exceptional Quality Metal Alloy Print | ❌ Requires careful, precise installation ✅ Remarkably Durable and Precisely Crafted | ✅ Profoundly Honors Bitcoin's Legacy | ✅ Engaging Conversation Starter | ✅ Straightforward Adhesive Installation | ✅ Currently Available at an Attractive Sale Price | ## Bottom line If Bitcoin matters to you, yes. It's well-made, genuinely unique, and says something about what you value. The size is fixed and installation requires a careful hand, but those are minor trade-offs for a piece this distinctive. ## Frequently Asked Questions (FAQ) ### What is the Tolli Bitcoin Whitepaper Wall Art? It is a laser-etched metal alloy print of the full original Bitcoin Whitepaper by Satoshi Nakamoto, produced by Tolli Studio Arts. It comes in A4 / US Letter size and displays every word of the document with exceptional clarity. ### What material is the art made from? The piece is made from a durable metal alloy, laser-etched for precision and longevity. It is designed to last without warping, fading, or deteriorating over time. ### How do I install the wall art? The plaque comes with heavy-duty adhesive tape on the back. No tools are needed. Simply position it carefully before pressing firmly, as the bond is permanent. Remove the protective film only after the plaque is securely in place. ### How do I clean and care for the piece? Wipe the surface gently with a dry, soft cloth. Avoid all cleaning products, chemicals, and abrasive materials, as these can damage the metal alloy surface. Do not bend the plaque. ### How much does the Tolli Bitcoin Whitepaper Wall Art cost? The regular price is £39.99. It is currently available on sale for £24.99, making it an accessible option for Bitcoin enthusiasts and collectors. ### What other pieces does Tolli Studio Arts offer? Tolli offers a growing Bitcoin art collection including the Satoshi Whitepaper print, 01/21 featuring bold pop art Satoshi lettering with a quote, 02/21 featuring a honeybadger representing Bitcoin's resilience, and the Genesis Block piece with the famous "Chancellor on brink of second bailout" headline inscribed. More pieces are available on their official website at tolli.studio. ### Where is Tolli Studio Arts based? Tolli Studio Arts is based in England and was founded in 2018. They specialize in limited, original design pieces that blend minimal aesthetics with cultural and historical significance.

The **COLDCARD Q** is the new hardware wallet by Coinkite that represents a significant evolution from the previous series, the COLDCARD Mk 4. It’s the company’s fifth iteration of a bitcoin hardware wallet (AKA: signing device), following the introduction of the MK line starting in 2018. The Q It's an higher-end COLDCARD that comes with a full QWERTY keyboard, a larger LCD screen, a real QR scanner, a flash and supports power via USB-C or, for the first time ever, via AAA batteries. The Q uses exactly the same security model as the COLDCARD Mk4, with dual multi-vendor secure elements. In this review we analyze it in deep so you can decide if it's the **right** hardware **wallet** **for you**. 👉 Click here to get the COLDCARD Q. Use code CKBTC at checkout for an exclusive 5% discount (if you pay in BTC). Feature | Details ---|--- 💻 **Name** | COLDCARD Q 🌐 **Website** | coinkite.com 🗓️ **Release Year** | 2024 💰 **Coins Supported** | Bitcoin (BTC) primarily, with full Bitcoin ecosystem support 💸 **Price** | $249.21 🔒 **Security Features** | Dual Secure Elements (two manufacturers), Air-gapped operation, BIP-39 Passphrase support, Trick PINs, Anti-tamper mechanism, Offline cold storage, USB data can be permanently disabled, NFC can be permanently disabled 🖥️ **Compatibility** | Works with Sparrow Wallet, Nunchuk, Electrum, BlueWallet, and other Bitcoin wallets supporting standard export formats 📱 **Display** | 2.3-inch LCD screen, 320x240 pixel resolution, color display 🔄 **Connectivity** | Dual MicroSD card slots (offline), QR code scanner with LED (air-gapped), USB-C (power only, data disabled by default) 📏 **Dimensions** | 106mm x 58mm x 14mm (approximately) ⚖️ **Weight** | Not officially specified 🔋 **Battery** | 3x AAA alkaline or rechargeable batteries (no built-in lithium battery) 🔌 **Power Options** | Battery-powered or USB-C charging 📖 **Open Source** | Yes ✅ **Reproducible Build** | Yes ## COLDCARD Q Review: What Is It? COLDCARD Q Overview The COLDCARD Q is a hardware wallet from Coinkite that keeps your Bitcoin private keys completely **offline**. Think of it as a **ultra-secure vault** that you control, separate from any internet-connected device. When you want to send Bitcoin, the Q signs the transaction without ever exposing your keys to hackers or malware. If someone steals your device or it gets damaged, your Bitcoin stays safe because you've got a backup seed phrase stored somewhere secure. COLDCARD Q Front The Q looks nothing like typical tech gadgets. It resembles a BlackBerry phone from the early 2000s, complete with a full QWERTY keyboard. This throwback design isn't just nostalgia. Coinkite specifically chose it after listening to customers who struggled with their previous model, the MK4. People fumbled entering long passphrases on tiny keypads. They had trouble scanning QR codes. They dealt with constant cable management. So Coinkite redesigned from scratch to solve these real problems. ## Brief Coinkite History Rodolfo Novak AKA NVK Coinkite's Co-Founder Coinkite was founded in Toronto, Canada, in 2013 by Rodolfo Novak (NVK) and Peter Gray. The story started in 2011 when Peter Gray discovered the Bitcoin whitepaper by Satoshi Nakamoto and shared his enthusiasm with Rodolfo Novak, his business partner from their previous venture, Ripe Apps. The two were so intrigued by Bitcoin that they built btclook.com, a visual blockchain explorer, to deepen their involvement in the emerging space. Novak and Gray identified Bitcoin's potential early but recognized the obstacles standing in the way of mainstream adoption. As Novak explained, "When the Internet started, nobody understood how to send emails." They saw the same challenge with Bitcoin and set out to simplify it. Frustrated with existing wallet options, they developed their own solution, a wallet integrated with a payment terminal to make Bitcoin more practical for everyday use. Coinkite was officially incorporated in 2013 as a Bitcoin banking and storage platform. The pair debuted their working Bitcoin terminal at the Bitcoin Conference to immediate acclaim from industry peers and thought leaders. What started as a wallet and payment solution evolved dramatically over the next decade. Coinkite introduced some of Bitcoin's most respected products. The Opendime, a USB stick that allows users to spend Bitcoin like a dollar bill, became iconic. The Coldcard series established Coinkite as a leader in secure hardware wallet design. Today, after more than a decade of innovation, Coinkite stands as one of the most prominent Bitcoin-only companies in the industry. ## COLDCARD Q Main Features COLDCARD Q Welcome Screen The Q packs several upgrades that make it genuinely **easier** to use than its predecessor. **QWERTY Keyboard** - This is the most obvious change. Instead of navigating menus with 12 buttons like the MK4, the Q has 50 keys spread across a full keyboard. This matters because Bitcoin security best practices involve using BIP-39 passphrases, which are long strings of random text you add on top of your seed words. On the MK4, entering a complicated passphrase felt tedious. On the Q, you just type it out like you're on an old phone. **Larger LCD Screen** - The Q's screen has over nine times more pixels than the MK4. Everything's bigger, easier to read, and displayed in color. QR codes you generate show up clearer so phones can scan them without struggling. **Battery Powered** - This one's simple but powerful. The Q runs on three AAA batteries, which means no power cord tethered to your wallet. You keep the batteries inside when you're not using it, and they won't drain. No proprietary lithium packs with limited lifespans. If you run out of juice, you can still charge via USB-C. **Dual MicroSD Slots** - The Q has two card slots instead of one. They're push-pull instead of spring-loaded, so they're way easier to use. You can keep unsigned and signed transactions on separate cards, and there's built-in storage space behind the battery door to hold spare cards. **QR Scanner** - The Q includes a dedicated QR code scanner with an LED flashlight. This isn't a camera. Cameras are complex and vulnerable to hacking. The Q uses a specialized barcode scanner like you'd find at a grocery store, plus intelligent algorithms designed to read codes in any lighting. You can import seeds, addresses, and transactions by just scanning a QR code instead of fiddling with USB cables or typing things manually. **Two Secure Elements** - Like the MK4, the Q has dual secure elements from two different manufacturers. This reduces risk because if one gets compromised, the other acts as a backup layer of protection. COLDCARD Q Side **Air-Gapped Security** - The Q keeps your keys completely isolated from the internet. You can even permanently disable USB data or NFC if you want by scratching off PCB traces on the back. The USB-C port can be set up for power only, with no data transmission. This is critical because traditional USB connections have endless known vulnerabilities that hackers actively exploit. 👉 Click here to get the COLDCARD Q. Use code CKBTC at checkout for an exclusive 5% discount (if you pay in BTC). ## How Does the COLDCARD Q Work? COLDCARD Q Colored Cases The COLDCARD Q operates on a simple principle: your Bitcoin keys never touch the internet. Here's how it flows in practice. **Setting Up Your Wallet** - When you first power on the Q, you create a PIN code that includes anti-phishing words mixed in. This guards against someone forcing you to unlock it. Next, you generate a seed phrase, which is a list of 12 or 24 random English words. This seed is your backup. Write it down on paper or etch it into metal. Store it somewhere completely separate from the device itself. If your Q gets lost or destroyed, those seed words let you recover everything. **Exporting to Your Phone or Computer** - Once your seed is set, you export your wallet information to an internet-connected device like your phone or laptop. You can do this via QR code, NFC, MicroSD card, or USB-C cable. This creates a "watch-only" version of your wallet that can see your addresses and balances but can't actually move your Bitcoin. Your private keys stay locked inside the Q. **Receiving Bitcoin** - When someone sends you Bitcoin, they need your address. You can pull this from your phone wallet, but there's a catch. What if malware on your computer shows you a fake address instead? The Q protects you by letting you verify ownership. Scan the address as a QR code into the Q, and it confirms whether that address actually belongs to your wallet. If it matches, you're safe. If it doesn't, you know something's wrong. **Signing Transactions** - This is where the Q really shines. When you want to send Bitcoin, you create the transaction on your internet-connected device first. Your phone or computer knows your balance and current network fees, so it builds the transaction correctly. Once it's ready, you scan the transaction into the Q using a QR code. The Q displays all the details on its screen. You review everything carefully. If it looks right, you press enter and the Q signs it using your private keys. The signed transaction gets scanned back to your phone or computer, which then broadcasts it to the Bitcoin network. **Why This Design Works** - The separation between the Q and the internet is the entire security model. Your keys never leave the device. Hackers can't grab them through a USB port because data transfer is disabled. They can't access them through NFC if you've disabled that. They can't see them through a camera because there's no camera. Even if your phone or computer gets totally compromised with malware, the worst that happens is someone sees what addresses you own or tries to trick you into sending Bitcoin to the wrong place. But the Q lets you verify before signing, so you catch that mistake. The keyboard and larger screen make this whole process less frustrating than older hardware wallets. You're not squinting at a tiny display or wrestling with a numeric keypad. Everything feels more natural, which means you're less likely to make mistakes when you're confirming critical details. ## COLDCARD Q Hardware Wallet Video Short on time? We've got you covered. Check out the **video** below for a quick walkthrough that covers everything from unboxing straight through setup, then receiving and sending funds with your COLDCARD Q. ## COLDCARD Q Unboxing When a hardware wallet arrives at your door, first impressions matter. You want to see evidence that the device was handled carefully and arrived in pristine condition. Coinkite takes this seriously, and it shows in every detail of how they package and ship the COLDCARD Q. ### Shipping and First Impressions COLDCARD Q Unboxing 1 The COLDCARD Q ships directly from Coinkite's Canadian headquarters via FedEx. Shipping is quick, and the device arrives in a compact cardboard box that's thoughtfully designed. You can actually reuse this box for storage when you're not actively using the device, which is a nice touch for long-term safekeeping. COLDCARD Q Unboxing 2 ### The Tamper-Evident Bag COLDCARD Q Unboxing 3 Inside the box sits the COLDCARD Q in Coinkite's signature **anti-tampering bag**. This isn't just packaging theater. The bag features water damage indicators and includes barcodes both on the outside and inside. Each bag has a unique code that matches the serial number displayed on your device when you power it on for the first time. This dual verification system gives you confidence that your device arrived untouched from the factory. If anything looks off about the bag, you can photograph it and send it to Coinkite's support team at support@coinkite.com for verification. They'll examine the evidence and confirm whether tampering occurred. COLDCARD Q Unboxing 4 ### What Else Is Included Beyond the device itself, you get a **recovery card** for writing down your 12 or 24-word seed phrase, a PIN backup card for recording your PIN and anti-phishing words, and some branded stickers. There are no batteries included, which is intentional. You'll need to supply three AAA batteries yourself, whether alkaline or rechargeable. No proprietary power supplies, no USB cables required for power. Just standard batteries you can find anywhere in the world. ## Design and Build Quality The COLDCARD Q sits at an interesting crossroads. It's more capable than its predecessor, yet it maintains the philosophy that's defined Coinkite's products for over a decade. Understanding how Coinkite balanced these competing demands explains why this device feels different from other hardware wallets on the market. COLDCARD Q Back 1 **Learning From the MK4** **Coinkite** didn't reinvent the wheel with the Q. Instead, they carefully listened to users who'd been living with the MK4 and identified its friction points. The result is a device that feels like a thoughtful evolution rather than a radical overhaul. The team took feedback seriously and addressed the most-requested features head-on. **The Hardware Improvements** COLDCARD Q Back 3 The bigger screen is immediately noticeable. Where the MK4 felt cramped, the Q's 2.3-inch LCD display with 320x240 pixels gives you breathing room. Text is larger. QR codes are easier to scan. Everything's easier on the eyes. The full QWERTY keyboard replaces the 12-button numeric pad, transforming the experience of entering long passphrases from tedious to straightforward. COLDCARD Q Detail 3 The built-in QR code scanner with LED flashlight means you don't have to fumble with microSD cards or USB connections for basic operations. And the battery compartment on the back accepts three standard AAA cells, giving you true portability without proprietary lithium packs that degrade over time. **Staying True to Cypherpunk Values** COLDCARD Q Detail 1 What's striking is that despite all these quality-of-life improvements, the Q never abandons Coinkite's cypherpunk aesthetic. It still looks like something from the early 2000s, deliberately anachronistic in a world of sleek, touchscreen devices. That design choice isn't accidental. It's a **statement**. COLDCARD Q Detail 2 By making the device look like an old BlackBerry phone or a big scientific calculator, Coinkite signals that they care more about security and practicality than following trend cycles. The chunky form factor, the physical keyboard, the mechanical buttons, the emphasis on air-gapping and offline operation. These reflect core principles that have guided the company since its founding. The Q proves you can modernize a device without abandoning your principles. It's evolution, not revolution. ## COLDCARD Q Quick Review **Category** | **Feature** | **Score** ---|---|--- **🔐 Privacy & Security (48/50)** | | 📄 **Open Source Compliance** | Source code is publicly available and open-source (Source Available license) | 8/10 🔄 **Firmware Integrity** | Firmware can be built from source and binaries match | 10/10 🔐 **Secure Element** | Multiple Secure Elements (3) | 5/5 🌱 **Seed Generation** | Utilizes unpredictable physical processes, supports Seed XOR | 5/5 💾 **Seed Storage** | Secure offline storage, device or air-gapped backup | 5/5 💼 **Software Wallet** | Compatible with various third-party wallets | 5/5 💰 **Purchase Procedure** | BTC payment accepted, no personal shipping data stored | 5/5 📦 **Packaging Safety** | Secure, wrapped packaging | 5/5 **🚀 Features (49/50)** | | 🖥️ **User-Friendly UX** | Large color screen, intuitive navigation but no touch screen | 4/5 🎨 **Design & Build Quality** | Compact, robust, smartphone-like form factor | 5/5 📡 **Air Gap / PSBT / SeedQR** | Air-gapped design with PSBT support and SeedQR for signing offline | 5/5 💾 **MicroSD Backup** | Back up or restore via microSD card | 5/5 🤝 **Multisignature Support** | Supports multi-signature wallets | 5/5 🔐 **Passphrase (BIP39)** | Full support for BIP39 passphrases (13th or 25th word) | 5/5 🔌 **Connection** | Airgapped via MicroSD or QR Code or USB connection | 5/5 📦 **Ready-to-Use Package** | Includes everything needed to start right away | 5/5 📚 **Documentation** | Clear and detailed guides available online | 5/5 🛠️ **Customer Support** | Responsive customer support | 5/5 **🧱 blockdyor Score (97/100)** | | ## How to Set Up The COLDCARD Q After unboxing the COLDCARD Q it's time to get started with the **first setup**. So get some AAA batteries, a backup paper (you have one included in the package) a phone or a desktop with one of the supported companion apps, and let's get started! 💡 For this review, I used Cove Wallet on iOS. Coinkite doesn't recommend a third-party wallet in particular (instead they curate a list of compatible ones). Anyway, as of today, there are solid options available. Nunchuk is a cross-platform wallet that works on both mobile and desktop. Sparrow Wallet is excellent for desktop users. Choose whichever fits your workflow, but always verify the download from the official source to avoid fake software wallets. ### Initial Power On COLDCARD Q Batteries Installation Pop three AAA batteries in the compartment on the back and press the power button. The screen comes to life, though fair warning, the brightness is quite dim even at maximum settings. It's readable in normal lighting, but it won't win any awards for vibrancy. Once the device powers on, you'll see the serial number displayed on the screen. This is the number you need to match against the one on your tamper-evident bag. ### Creating Your PIN COLDCARD Q PIN Creation Accept the terms and conditions, then you're asked to create a PIN. This isn't just a simple four-digit code. The Q uses anti-phishing words as part of the PIN system. You'll set a PIN prefix, then the device displays two random words, and then you enter a PIN suffix. This design prevents someone from forcing you to unlock the device because you'd have to recognize the correct anti-phishing words. If the words don't match what you set up, you know something's wrong and you can refuse to complete the PIN entry. The device will remind you that if you forget your PIN, there is no reset option. The device becomes completely locked. So write down your PIN and anti-phishing words and store them somewhere secure, separate from the device itself. ### Generating Your Seed Phrase COLDCARD Q Seedphrase Creation & Backup Next comes the seed phrase generation. You choose between 12 words or 24 words. The 24-word option has better cryptographic properties, so that's what most serious users pick. The Q will display words one at a time, and you write them down carefully on the recovery card provided. Don't skip this step. Don't think you'll remember them. Write them down. Once you've written everything down, the Q asks you to verify each word by scrolling through and confirming them on the device. It's tedious, but it catches mistakes. You verify all 24 words one by one to make sure you didn't misread or miswrite anything. Once complete, you're done with setup. The device is now configured and ready to pair with wallet software. ### What You Get After Setup At the end of the setup process, the Q displays a summary. USB is disabled by default. NFC is disabled by default. Virtual disc mode is disabled. This is intentional. Coinkite is being security-conscious right out of the box. If you need these features later, you can enable them in the settings menu. COLDCARD Q Ready To Sign One nice touch is the status bar that appears at the top of the screen once the device is fully configured. It shows your wallet fingerprint, whether you've enabled features like passphrases or temporary seeds, and a battery meter. Everything you need to know at a glance. 👉 Click here to get the COLDCARD Q. Use code CKBTC at checkout for an exclusive 5% discount (if you pay in BTC). ## How to Send/Receive Bitcoin with the COLDCARD Q After setting up the PIN, creating a 12 or 24-word seed phrase, and double-checking everything, it's time to test the wallet by receiving and sending funds. This is something I do with every new wallet to confirm it works properly. I'll use the COLDCARD Q the way it was engineered to be used: completely air-gapped. The Q will never connect to a computer or USB cable. Thanks to the built-in batteries, there's no need for external power like the MK4 required. Here's the workflow. I'll create a transaction on my watch-only wallet by exporting the XPUB from the COLDCARD Q to my phone via QR code (no MicroSD card needed, though you can use one if you prefer). I'm using Cove Wallet on iOS for this. Then I'll scan the transaction into the Q using its built-in QR scanner, sign it on the COLDCARD Q, and finally scan the signed transaction back into Cove Wallet on my phone to broadcast it to the network. Let's get started. ### Exporting The XPUB COLDCARD Q Exporting The XPUB On the COLDCARD Q, go to Main Menu > Advanced/Tools > Export Wallet > Export Xpub > Segwit Bip84. Wait for the QR code to appear. On Cove (or whichever wallet you're using), select Hardware Wallet > QR Code and scan the QR code displayed on the COLDCARD Q with your phone. ### Receiving Funds COLDCARD Q Receiving Funds Now you have a watch-only wallet on your companion app (Cove Wallet in this case), while the private keys that unlock your funds stay on the COLDCARD Q. This setup lets you do two things from the companion app: generate addresses to receive Bitcoin and check your balance. To receive funds, open the companion app and tap "Receive." A fresh, unused address appears. You can scan it or copy it to share with whoever is sending you Bitcoin. Always use a new address for each transaction to maximize your privacy. ### Sending Funds After having received some sats, you can do a fun experiment: wipe the wallet and restore it and redo all the procedure we done from scratch to see if everything it's all right. After that, you can also try to send some funds to another address to be 100% sure everything works. COLDCARD Q Sending Funds Step 1 From the main menu of your software wallet tap on send, enter an amount, address where you want to send the funds too, network fee and then tap on next. COLDCARD Q Sending Funds Step 2 Then tap on export transaction > QR Code. COLDCARD Q Sending Funds Step 3 Scan this QR code with the COLDCARD Q. COLDCARD Q Sending Funds Step 4 The COLDCARD Q has a QR scanner, so point it on your QR Code shown on your phone. After scanning, on the COLDCARD you will have to sign the transaction. Double check and confirm it. COLDCARD Q Sending Funds Step 5COLDCARD Q Sending Funds Step 6 After signing, the COLDCARD Q will show a QR code. From the software wallet on the phone, tap on "Import Signature" and scan it to import it. COLDCARD Q Sending Funds Step 7 Review the transaction and then swipe to send. COLDCARD Q Sending Funds Step 8 ## COLDCARD Q Review: Supported Coins The COLDCARD Q is Bitcoin-only. Coinkite has always been unapologetically Bitcoin-focused, and that stance hasn't changed. There's no altcoin firmware and no support for other cryptocurrencies. Liquid Bitcoin and Lightning Bitcoin aren't supported either. Back in 2023, when Coinkite announced the COLDCARD Q, they also announced SATSLINK, which was supposed to be a Lightning wallet and Nostr client. However, it never shipped. The fact that no other crypto is supported isn't actually a downside, but on the opposite it let's bitcoiners know that this company is 100% focused on one cryptocurrency and one cryptocurrency only, decreasing the attack surface. ## How to Buy the COLDCARD Q 👉 Click here to get the COLDCARD Q. Use code CKBTC at checkout for an exclusive 5% discount (if you pay in BTC). We recommend **buying the COLDCARD Q only from Coinkite's official website**. Coinkite offers secure payment methods including Bitcoin, and they have a privacy-focused policy of redacting order information after 90 days. This protects you from being doxxed in data breaches like the ones that affected other companies such as Ledger. Using our link with coupon code CKBTC gives you a discount. If you pay in Bitcoin, you'll also receive an **exclusive 5% discount** on top. 👉 Click here to get the COLDCARD Q. Use code CKBTC at checkout for an exclusive 5% discount (if you pay in BTC). How to Buy the COLDCARD Q Step 1 After clicking on the link up here, put the COLDCARD Q in the cart and click on the top right button "Checkout Now". How to Buy the COLDCARD Q Step 2 Add your email and then go forward by clicking on "Next Step". How to Buy the COLDCARD Q Step 3 Add the address or postbox and then go forward by clicking on "Next Step". How to Buy the COLDCARD Q Step 4 Add the CKBTC promo code to get a 5% off (if you pay in BTC) and click on the "V" to apply it. How to Buy the COLDCARD Q Step 5 The discount will apply in your cart. Continue by selecting your favorite payment and finalize the order. You will receive your COLDCARD Q shipped by Coinkite's headquarters with Fedex. ## Is the COLDCARD Q Secure? The short answer is yes. The COLDCARD Q employs multiple layers of security that go well beyond what most hardware wallets offer. But security isn't just one thing. It's a combination of design choices, transparency, and engineering. Let's break down how the Q achieves it. ### Data Privacy Coinkite takes your privacy seriously. They don't collect unnecessary data, and they have a clear policy: order information is automatically redacted from their servers after 90 days. This matters because it protects you from being caught in data breaches. When companies like Ledger suffered massive leaks, customer information spread across the internet. With Coinkite's policy, that data simply doesn't exist to be leaked after three months. Additionally, the Q is designed to be air-gapped. Your private keys never need to touch the internet. When you use QR codes to communicate with your phone wallet, you're using an offline transfer method that can't be intercepted by hackers on your Wi-Fi network. The device can even be permanently disconnected from USB and NFC by scratching off PCB traces on the back if you want maximum isolation. ### Open-Source Firmware The COLDCARD Q runs open-source firmware, which means anyone can inspect the code to verify it does what Coinkite claims. You don't have to trust Coinkite blindly. Security researchers, developers, and paranoid Bitcoin users can all audit the code themselves. If there were backdoors or vulnerabilities hidden in the firmware, the community would find them. This transparency is fundamental to Bitcoin security culture. Coinkite understands that closed-source firmware is a red flag. Open-source means accountability. 💡 Coinkite's COLDCARD source code used to be fully open source until another hardware wallet company allegedly used their source code. Now the current implementation on the COLDCARD is source available. You can still view and verify COLDCARD's source code but you cannot legally use it in other commercial products. COLDCARD's source code remains accessible and verifiable as any open source project. It’s only the license to use in other commercial products that they changed. ### Secure Seed Generation When you create your seed phrase on the COLDCARD Q, the randomness comes from the device itself, not from your computer or phone. This is critical because your computer or phone might be compromised with malware that could influence seed generation. The Q generates seeds using its own secure random number generator, isolated from any internet connection. The device also supports advanced seed generation methods like dice rolls if you want to add your own entropy. Some users prefer this ultimate paranoia approach, rolling physical dice and entering the results to ensure the randomness is completely under their control. 💡 If you don't trust COLDCARD Q random number generator, you can generate the BIP39 seed phrase using dice rolls. Coinkite's help with this process: you just have to press 1–6 for each roll (99 rolls recommended). At the end of that process, you'll have a properly-encoded seed phrase based solely on the dice rolls. ### Safe Seed Storage The Q provides multiple ways to back up your seed securely. You can write it down on the included recovery card. You can etch it into a metal backup device for long-term durability. You can even split your seed using Seed XOR, which divides your seed into multiple parts so you need several pieces to recover your wallet, not just one. The device itself stores your seed in secure elements, which are specialized chips designed to resist physical attacks. Even if someone disassembles the Q, extracting the seed from these secure elements is extremely difficult and requires sophisticated equipment. ### Firmware Verification Before updating your COLDCARD Q's firmware, you can verify that the update is legitimate. Coinkite signs firmware releases, and the Q can verify these signatures. This prevents someone from tricking you into installing malicious firmware. When you update, the device checks the signature. If it doesn't match, the update is rejected. To resist Evil Maids and other sneaky people with physical access to your COLDCARD, Coinkite signs firmware with a factory key. During boot-up, the firmware's signature and nearly every byte of flash memory gets verified, and the appropriate green or red light is set based on the result. Changing that light's status is controlled by dedicated circuitry connected directly to a Secure Element, so rogue software can't override it. The circuit for the lights is exposed on the top surface of the product, so any physical tampering by those maids will be visible as well. This verification process is automatic and happens in the background, but it's worth understanding that it exists. It's another layer of protection against supply chain attacks or compromised downloads, plus protection against anyone trying to physically tamper with your device. ## COLDCARD Q Price and Value for Money At **$249.21** (at the moment of writing), the COLDCARD Q positions itself at the higher end of Bitcoin-only hardware wallets. It costs significantly more than its predecessor, the COLDCARD MK4, which is priced at $129.94. That's almost double the price, so the question becomes whether the improvements justify the extra cost. If you're looking for a bare-bones hardware wallet that just signs transactions, the MK4 does that job well. It's smaller, cheaper, and handles all the essential security features. But the Q adds genuine quality-of-life improvements that matter in daily use. The larger screen reduces eye strain. The full QWERTY keyboard makes passphrases bearable instead of painful. The built-in QR scanner and battery power mean you're not tethered to cables or constantly juggling microSD cards. The dual MicroSD slots and dedicated keys for common functions speed up your workflow. For casual Bitcoin holders who move funds once or twice a year, the MK4 is plenty. For people who actively manage their Bitcoin, use passphrases, or want to keep their hardware wallet portable without power cables, the Q's extra features earn their cost. It's not a luxury purchase, but a practical upgrade for serious self-custody. The real value comparison comes down to your use case. Are you buying this to store Bitcoin and rarely touch it? Save the money and go with the MK4. Are you using this regularly, carrying it places, and want the best possible user experience? The Q's improvements justify the premium. ## COLDCARD Q Alternatives It's reasonable to draw comparisons among Bitcoin-only, air-gapped compliant hardware wallets, and the most fitting alternatives seem to be the Keystone 3 Pro and the Blockstream Jade. Feature | COLDCARD Q | Keystone 3 Pro | Foundation Passport Core ---|---|---|--- 🧱 **Total Score** | 97/100 | 93/100 | 97/100 💰 **Price** | $249.21 | $149 | $199.00 📅 **Release Year** | 2024 | 2023 | 2022 🔐 **Number of Secure Elements** | 2 | 3 | 1 🔄 **Open Source** | Yes (Source Available) | Yes | Yes (FOSS - GPLv3) 🔒 **Bitcoin-only Firmware** | Yes | Yes | Yes 💾 **Memory** | N/A | 8GB MicroSD, 2MB flash, 1GB RAM | N/A 🔗 **Connector** | USB Type C | USB Type C | USB Type C (Power Only) 📱 **Display Type** | Color LCD (2.3") | Color IPS Screen | Color IPS Display (2.0") 🛠️ **Materials** | Plastic casing | Polycarbonate (PC) and ABS | Plastic and copper plated zinc alloy 🔄 **Bluetooth** | N/A | N/A | N/A 🔐 **Multisig** | Yes | Yes | Yes 📊 **Number of Cryptocurrencies** | Bitcoin only | +5000 | Bitcoin only 🔑 **BIP39 Seedphrase Words** | 24/12 Words | 24/12 Words | 24/12 Words 🔐 **Shamir Compatible** | No | N/A | N/A 📶 **NFC-V Compatible** | Yes | N/A | N/A 🔄 **Dual SD Slots** | Yes | Single SD Slot | Single SD Slot 📷 **Camera** | No | Yes | Yes 🔋 **Battery** | Yes (3x AAA) | Yes | Yes (1200 mAh Lithium Ion) 🌐 **Air-gapped** | Yes | Yes | Yes ### COLDCARD Q vs. Keystone 3 Pro The Keystone 3 Pro offers superior ease of use with its touchscreen interface and built-in camera for QR scanning. It supports over 5,000 cryptocurrencies, making it versatile for multi-asset holders. However, the COLDCARD Q focuses on what matters most: Bitcoin security and usability for serious self-custody. The Q's full QWERTY keyboard, larger screen, and dual MicroSD slots give it advantages for Bitcoin-specific workflows. The Q supports NFC, Seed XOR, and has dual secure elements from different manufacturers. While the Keystone is more user-friendly for newcomers, the Q rewards users who want deeper control and Bitcoin-focused features. The Q also costs more but delivers specialized functionality that justifies the premium for Bitcoin maximalists. ### COLDCARD Q vs. Foundation Passport The Foundation Passport Core and COLDCARD Q are both excellent Bitcoin-only hardware wallets with strong security foundations, and they both score 97/100 overall. Yet they take different approaches to user experience and design philosophy. The Foundation Passport Core was built with a focus on user-friendliness from the ground up. Its color IPS display is bright and vibrant, making QR code scanning straightforward. The camera-based QR scanning is intuitive for most users. The rechargeable lithium-ion battery feels premium and eliminates the need to manage AAA batteries. If you're new to hardware wallets or want the most intuitive experience, the Passport delivers. The COLDCARD Q takes a different philosophy. It prioritizes Bitcoin power-users who want granular control and advanced features. The full QWERTY keyboard is superior for entering passphrases. The dual MicroSD slots let you manage unsigned and signed transactions separately. NFC support and Seed XOR capabilities for splitting your seed give you options the Passport doesn't offer. The Q's source-available firmware and dual secure elements from different manufacturers add security layers. Battery-powered operation via standard AAA batteries means no proprietary lithium packs to worry about long-term. In terms of openness, both are transparent. The Passport uses full FOSS under GPLv3 and CERN-OHL-S licenses for hardware. The COLDCARD Q shifted to source-available after a competitor misused their open code, but it remains fully auditable by the community. Price-wise, the Q costs $50 more. That extra money buys you specialized Bitcoin features and a device designed for active management. The Passport costs less and works great for simpler workflows. If you prioritize ease of use and a premium feel, the Foundation Passport Core is hard to beat. If you want the most Bitcoin-specific features and control, the COLDCARD Q rewards you for learning its interface. Neither choice is wrong. It depends on whether you want intuitive simplicity or powerful flexibility. ## COLDCARD Q Pros & Cons Pros | Cons ---|--- ✅ Full QWERTY keyboard makes passphrases easy to enter | ❌ Uses proprietary QR code format, not compatible with standard formats like SeedQR ✅ Dual MicroSD slots for better file management | ✅ Built-in QR code scanner with LED flashlight | ✅ Battery-powered with standard AAA batteries, no proprietary packs | ✅ Dual secure elements from different manufacturers for added security | ✅ Source-available firmware remains fully auditable by the community | ✅ Air-gapped security with ability to permanently disable USB/NFC via PCB traces | ✅ NFC communication support for flexible data transfer | ✅ Comprehensive documentation and active support from Coinkite | ✅ Supports Seed XOR for advanced seed splitting | ## Bottom Line: Is The COLDCARD Q Right For You? In this review, we've seen the COLDCARD Q in action. It's an evolution of the MK4 that's genuinely **easier to use**. The bigger keyboard and screen make a real difference. Batteries mean you don't need to carry a cable everywhere. The QR scanner eliminates the need for a microSD card. You get a more versatile device that does more without requiring more, except it's slightly bigger and heavier, which is a minor tradeoff. This wallet feels like something pulled straight from the '90s/early 2000s, nostalgic in the best way. Yet it packs serious security features (same security model of the Mk4) and functionality that most other wallets can't even touch. Without question, it's a best buy that ranks among my **favorites** and will for **years to come**. 👉 Click here to get the COLDCARD Q. Use code CKBTC at checkout for an exclusive 5% discount (if you pay in BTC). #### COLDCARD Q Evaluation With 97/100, the COLDCARD Q ranks at the top of our hardware wallet reviews. It's a mature, feature-rich device built for serious Bitcoin users who want security without compromise. Coinkite has addressed the friction points of the MK4 and delivered something genuinely better. The trade-offs exist, but they're minor compared to what you gain. If you're ready to take full control of your Bitcoin, the COLDCARD Q deserves your attention. ## Frequently Asked Questions (FAQ) ### Is the COLDCARD Q really air-gapped? Yes. The COLDCARD Q is completely air-gapped by default. USB data transfer is disabled, NFC is disabled, and there's no Wi-Fi or Bluetooth. If you want maximum isolation, you can permanently disable USB and NFC by scratching off PCB traces on the back of the device. Communication happens only through QR codes and MicroSD cards. ### What happens if I forget my PIN? If you forget your PIN, the COLDCARD Q becomes permanently locked and inaccessible. There is no reset function. This is intentional security design to prevent brute-force attacks. Always write down your PIN and anti-phishing words and store them separately from the device. ### Can I use the COLDCARD Q with my iPhone or Android phone? Yes. The COLDCARD Q works with both iOS and Android via air-gapped QR code scanning. You'll need a compatible wallet app like Cove (iOS) or Nunchuk (both platforms). Export your XPUB as a QR code from the Q, scan it into your phone's wallet app, and you're set. Your phone becomes a watch-only wallet that can see your balance and addresses but cannot spend your Bitcoin. ### Does the COLDCARD Q support altcoins? No. The COLDCARD Q is Bitcoin-only. Coinkite has always been unapologetically Bitcoin-focused. There is no firmware or software option to add support for other cryptocurrencies. If you need multi-coin support, consider alternatives like the Keystone 3 Pro. ### How long do the AAA batteries last? Battery life depends on usage. For occasional use, alkaline AAA batteries can last several months. The device displays a battery meter on screen so you always know your power level. You can use rechargeable NiMH batteries as well. Important: Don't store the device long-term with batteries inside, as they may leak and damage the electronics. Remove them if you're storing the Q for extended periods. ### What if my COLDCARD Q is lost or damaged? Your Bitcoin is safe. The device itself is not important. What matters is your seed phrase. As long as you've written down your 12 or 24-word seed phrase and stored it securely, you can recover all your Bitcoin on any other hardware wallet or software wallet that supports that seed. The COLDCARD Q is just a tool to manage your keys securely. ### Is the COLDCARD Q's source code open? The COLDCARD Q runs source-available firmware, not fully open source. You can view and audit every line of code, and security researchers can verify it works as intended. The source code cannot be legally used in other commercial products. Coinkite made this change after another hardware wallet company used their open source code without permission. ### What wallet software works with the COLDCARD Q? The COLDCARD Q is compatible with Sparrow Wallet, Nunchuk, Electrum, BlueWallet, and many other Bitcoin wallets. For the best QR code-based experience, use Sparrow (desktop) or Nunchuk (mobile). Check Coinkite's documentation for a full list of compatible wallets and their export formats. ### How do I back up my seed phrase? Write down your 12 or 24-word seed phrase on the included recovery card using pen and paper. For long-term durability, consider etch your seed into a metal backup device like a SteelWallet or similar product. Never store your seed digitally or take photos of it. Keep your physical backup in a secure location separate from the COLDCARD Q device itself.

This guide shows you how to set up your own multisig wallet using Nunchuk. It's widely considered one of the best options for multisig security. Nunchuk has several paid plans with extra features, but the free version works great for most people. You can create multisig wallets right from your desktop or mobile app by adding different keys. These can be hot wallets or hardware wallets, and you combine them to make your multisig setup. 👉 Click here to try Nunchuk and take control of your Bitcoin today. Get up to $200 off with an exclusive discount. ## Important Disclaimer: Read Before Setting Up Multisig Multisig wallets are more complex than regular wallets. For a 2-of-3 multisig, if you lose one key but didn't back up that key's extended public key (xpub/zpub), you won't be able to send funds, even with the other two keys. But Nunchuk makes this simple. You just need to back up: * All seed phrases * The wallet configuration file (.bsms), which contains all the extended public keys (XPUBs) from your signers (keys) and the technical details needed to reconstruct your multisig wallet. To recover: add each signer, import the .bsms file, name your wallet, and sync. ## Choosing The Keys DIY Bitcoin Multisig Wallet Keys Jade TAPSIGNER First of all, you'll need either a smartphone (iOS or Android) or a computer (Windows, Mac, or Linux). You'll also need at least one supported hardware device. The specific hardware wallets you can use depend on whether you're using the mobile or desktop app. If you're using Nunchuk on your phone, these hardware wallets (called "signers") work: * TAPSIGNER * COLDCARD * Blockstream Jade * Portal * SeedSigner * Keystone * Foundation Passport Some devices only work with the desktop version: * Ledger (Desktop Only) * BitBox (Desktop Only) * Trezor (Desktop Only) Pick the setup that matches your devices and preferences. The process is pretty straightforward once you have everything ready. ## Choosing Your Threshold Signature Scheme DIY bitcoin multisig wallet with nunchuk Let's say you use three keys. Requiring all three keys to move funds isn't very secure. If you lose just one, you're locked out completely. That's why the most common setup with 3 keys is 2-of-3. This means you need any 2 keys out of your 3 possible keys to authorize a transaction. It's the sweet spot between security and usability. ## What I'll Use In This Example DIY BTC Multisig With Nunchuk Overview For this guide, I'll set up a 2-of-3 multisig wallet on Nunchuk's free tier using: * Hot wallet (iPhone, created by Nunchuk) * Blockstream Jade (cold wallet - cheap, fully open source hardware wallet) * TAPSIGNER (cold wallet - NFC card-shaped hardware wallet by Coinkite) For the difference between an hot and a cold wallet, check our guide: Bitcoin Cold Storage: How To Protect Your Coins In 2026If you’re looking to safely self-custody your Bitcoin, Bitcoin Cold Storage is a must. This involves using a hardware wallet to move your coins off exchanges and the internet. In this guide, I’ll walk you through how to do it easily and securely.blockdyorAndrea Carnimeo ## Video Version If you prefer watching over reading, I've made a step-by-step video guide that walks you through creating a 2-of-3 wallet with Nunchuk, plus how to receive and send funds. Enjoy: ## Prepare The Wallet Before creating the multisig, you need to set up each wallet: 1. **Software Key (Nunchuk)** : Generate a software wallet directly in the Nunchuk app. This will be your first key. 2. **Blockstream Jade** : Initialize the device, write down your seed phrase on paper, and complete the setup so it's ready to sign. 3. **TAPSIGNER** : No setup needed beforehand. Just prepare a 4-digit PIN you can remember or store securely. You'll need it during the multisig creation. During this review I will use the Nunchuk app fro. Make sure Nunchuk is installed on your phone and your software key is already created before proceeding. 👉 Click here to try Nunchuk and take control of your Bitcoin today. Get up to $200 off with an exclusive discount. ## Add The Keys The software wallet can be generated directly in Nunchuk. Go to Wallet > Keys > tap "+" and select Software. Save the seed phrase as an independent backup. That's your first key. Add The Blockstream Jade Step 1Add The Blockstream Jade Step 2 For the second key, I'm adding the Blockstream Jade as an airgapped device since it's easier to manage from a phone. To add it, go to Wallet > Keys > tap "+" and select Blockstream Jade. Add The Blockstream Jade Step 3Add The Blockstream Jade Step 4 On the Blockstream Jade, unlock it, go to "Options" > "Wallet" > "Export XPUB". A dynamic QR code will appear on the screen. Add The Blockstream Jade Step 5 In Nunchuk, tap "Continue" > "Scan QR" and scan the Jade's QR code. Put a name to the key just created, in this case "jade". Tap on "Add key" to finalize the first key. Add The Blockstream Jade Step 7 If everything goes well, you will see the success message on screen. You can do an health check of the key too, or go forward with the third key we are about to add: the TAPSIGNER. Add The TAPSIGNER Step 1 So get the TAPSIGNER, click on "Keys" > "+" to add it. Add The TAPSIGNER Step 2 Select the TAPSIGNER. Add The TAPSIGNER Step 3 Select "Add Tapsigner via NFC" and tap "Continue". Add The TAPSIGNER Step 4 Tap the TAPSIGNER on the back of the phone, near where is the NFC chip. Add The TAPSIGNER Step 5 Add a key name and enter the PIN (that you setup when you initialized your TAPSIGNER). Remember to always save this pin in a safe place, on paper or metal. Add The TAPSIGNER Step 6 Scan the NFC of the TAPSIGNER again. Add The TAPSIGNER Step 7 All the keys have now been successfully added. It's not time to create the wallet with these three keys. ## Create The Multisig Wallet Keys are ready, so we can now create the wallet itself. Go back to the Nunchuk wallet home and tap the "+" button. Create The Multisig Wallet Step 1 Select "Custom Wallet". Create The Multisig Wallet Step 2 Put a Wallet name and address type and hit "Continue". Create The Multisig Wallet Step 3 Now you need to assign the keys you just generated. Select all three of them and set "Required" keys to "2" since this is a 2-of-3 multisig setup. Click "Continue" when you're done. Create The Multisig Wallet Step 4 Review the wallet and then tap on "Create wallet". The wallet is now created. ## Backup The Wallet Configuration Backup The Wallet Configuration Step 1 After creating the wallet, immediately back up the Wallet Configuration. You'll see a prompt at the top reminding you to do this. Tap on it. It's a BSMS file that contains your wallet information (not private keys) and lets you recover the wallet easily since it follows a standardized BIP format. Backup The Wallet Configuration Step 2 Tap on "Save BSMS file" and store the file in a safe location. ## Receive Funds Receive Funds Step 1 Now that your wallet is created and backed up, you can send your first funds to it. The receiving address appears on the home screen if you haven't received anything yet. Or go to Home > Wallet > Receive to display the QR code or copy the address. ## Send Funds Send Funds Step 1 Once you've received the funds, this will be shown in the main wallet view. So you will also be able to send funds. Click on "Send" to get started. Send Funds Step 2 Send all or select the amount, then hit on "Continue". Send Funds Step 3 Scan or paste the address. Remember to verify it. Send Funds Step 4 Now it's time to sign. Choose 2 out of your 3 available signers. You'll need them physically, so get them ready. For example, have your TAPSIGNER PIN ready and unlock your Jade. ### Sign From The Jade (1 of 3) Sign From The Jade Step 1 Signing from the Jade in an airgapped way it's quite simple as, from the Jade, you select Scan QR and from Nunchuk you select export transaction. Then from the Jade you scan the QR on Nunchuk. Sign From The Jade Step 2 Sign and send the transaction from the Jade, the Jade will then show a dynamic QR Code. Then click on Import signature > Import via QR on Nunchuk. Sign From The Jade Step 3 ### Sign From The TAPSIGNER (2 of 3) Sign From The TAPSIGNER Step 1 The first signature has been done. Now it's time for the TAPSIGNER, click on the "Sign" on the right of the TAPSIGNER. Sign From The TAPSIGNER Step 2 Enter the PIN of your SATSCARD. Sign From The TAPSIGNER Step 3 Tap the SATSCARD on the back of your phone, near the NFC chip. ### Broadcast Transaction Broadcast Transaction After reaching the quorum (meaning 2 out of 3 signers have signed), you can now broadcast the transaction. Click "Broadcast Transaction" to send the funds. Broadcast Transaction Step 2 On the Nunchuk screen will appear a green banner "The transaction has been broadcast", meaning that the BTC sent are now in the mempool and will be confirmed in the next blocks. ## Bottom Line Setting up a DIY multisig wallet with Nunchuk gives you serious security without the complexity. A 2-of-3 setup means you're protected if one key is lost or compromised, while still maintaining full control of your Bitcoin. Remember to back up all your seed phrases separately and save that wallet configuration file (.bsms) in multiple secure locations. Test everything on testnet first, make sure you can restore from backups, and only then move real funds. Multisig isn't for everyone, but if you're holding significant Bitcoin, it's one of the best ways to sleep soundly at night. Take your time, follow each step carefully, and you'll have bank-level security in your own hands. 👉 Click here to try Nunchuk and take control of your Bitcoin today. Get up to $200 off with an exclusive discount. ## Frequently Asked Questions (FAQ) ### What is a multisig wallet? A multisig (multi-signature) wallet requires multiple keys to authorize a Bitcoin transaction. For example, a 2-of-3 multisig needs any 2 out of 3 keys to spend funds, providing better security than a single-key wallet. ### Why use Nunchuk for multisig? Nunchuk simplifies multisig setup with an intuitive interface and free tier options. It supports various hardware wallets, handles complex XPUB management through .bsms files, and works on iOS, Android, and desktop platforms. ### What do I need to backup for a multisig wallet? You need to back up all seed phrases from each signer and the wallet configuration file (.bsms). The .bsms file contains all extended public keys (XPUBs) needed to reconstruct your wallet. Store these in separate, secure locations. ### Do I need three separate hardware wallets for 2-of-3 multisig? No. You can combine different types of signers. A common setup uses one hot wallet (software key) and two hardware wallets, or any combination that fits your security needs and budget. ### What happens if I lose one key in a 2-of-3 setup? You can still access and spend your Bitcoin using the other 2 keys. However, you should immediately create a new multisig wallet and transfer your funds to restore full redundancy, as you no longer have a backup key. ### Is multisig necessary for small amounts of Bitcoin? Multisig might be overkill for small amounts. For most users, a single hardware wallet with a strong passphrase provides excellent security. Multisig is better suited for life-changing amounts of Bitcoin where the added complexity is worth it. ### What is a .bsms file? A .bsms (Bitcoin Secure Multisig Setup) file is the wallet configuration file that contains all extended public keys (XPUBs) from your signers and technical details needed to reconstruct your multisig wallet. It's defined in BIP-129. ### Should I test the setup before using real Bitcoin? Absolutely. Always test your multisig setup on testnet first. Practice creating the wallet, receiving funds, sending transactions, and most importantly, restoring from backups before moving any real Bitcoin. ### Can someone steal my Bitcoin if they get my .bsms file? No. The .bsms file only contains public keys, not private keys. However, anyone with this file can see your entire transaction history and balance, compromising your privacy. Store it securely and don't upload it to cloud storage. ### What hardware wallets work with Nunchuk? Nunchuk supports TAPSIGNER, COLDCARD, Blockstream Jade, Portal, SeedSigner, Keystone, and Foundation Passport on mobile. Desktop versions also support Ledger, BitBox, and Trezor devices.

<p>When the german <em>Meister</em> <strong>WantClue</strong>, developer of AxeOS (the operating system inside every <strong>Bitaxe</strong>), joined forces with the British manufacturer <strong>DTV Electronics</strong>, renowned worldwide for their open source media servers and home miners, the collaboration produced something unprecedented. The <strong>BitForge Nano</strong> didn't just arrive on the scene; it transformed the home mining landscape entirely.</p><figure class="kg-card kg-image-card kg-card-hascaption"><img src="https://blockdyor.com/content/images/2026/01/Lars-Na--ther-AKA-WantClue.webp" class="kg-image" alt="Lars Näther, also known as WantClue." loading="lazy" width="1920" height="1080" srcset="https://blockdyor.com/content/images/size/w600/2026/01/Lars-Na--ther-AKA-WantClue.webp 600w, https://blockdyor.com/content/images/size/w1000/2026/01/Lars-Na--ther-AKA-WantClue.webp 1000w, https://blockdyor.com/content/images/size/w1600/2026/01/Lars-Na--ther-AKA-WantClue.webp 1600w, https://blockdyor.com/content/images/2026/01/Lars-Na--ther-AKA-WantClue.webp 1920w" /><figcaption><span style="white-space:pre-wrap">Lars Näther, also known as WantClue, with his cat. Original photo sourced from WantClue.de. The image was later processed using a cyberpunk-style prompt effect in ChatGPT.</span></figcaption></figure><p>This wasn't merely notable because such a high-profile partnership had never occurred in the industry before. The device itself proved <strong>revolutionary</strong>: delivering more than <strong>double of the terahashes</strong> of the Bitaxe Gamma while being more efficient, <strong>quieter</strong>, and housed in an <strong>aesthetically pleasing</strong> box form factor. These qualities have captured the attention of the entire solo and home mining industry.</p><p>In this review, we'll <strong>explore the BitForge Nano</strong> in depth, examining what it is and how it performs and if it's the right choice for your home mining setup.</p> <p> 👉 <a rel="noopener nofollow" target="_blank" style="font-weight:bold" href="https://blockdyor.com/go/dtvelectronics">Click here to get the BitForge Nano from the official DTV Electronics Store. Use code BLOCKDYOR10 for an exclusive 10% off at checkout</a>. </p> <figure class="kg-card kg-image-card kg-card-hascaption"><img src="https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Review-1.webp" class="kg-image" alt="Bitforge Nano Review" loading="lazy" width="1920" height="1080" srcset="https://blockdyor.com/content/images/size/w600/2026/01/Bitforge-Nano-Review-1.webp 600w, https://blockdyor.com/content/images/size/w1000/2026/01/Bitforge-Nano-Review-1.webp 1000w, https://blockdyor.com/content/images/size/w1600/2026/01/Bitforge-Nano-Review-1.webp 1600w, https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Review-1.webp 1920w" /><figcaption><span style="white-space:pre-wrap">Bitforge Nano Review</span></figcaption></figure><h2 id="bitforge-nano-what-it-is">BitForge Nano: What It Is?</h2><figure class="kg-card kg-image-card kg-card-hascaption"><img src="https://blockdyor.com/content/images/2026/01/BitForge-Nano-Front.webp" class="kg-image" alt="BitForge Nano Front" loading="lazy" width="1000" height="750" srcset="https://blockdyor.com/content/images/size/w600/2026/01/BitForge-Nano-Front.webp 600w, https://blockdyor.com/content/images/2026/01/BitForge-Nano-Front.webp 1000w" /><figcaption><span style="white-space:pre-wrap">BitForge Nano Front</span></figcaption></figure><p>The BitForge Nano represents a significant milestone in open-source Bitcoin mining technology. Developed by Open Source Miners United (OSMU) and engineered in Germany, this device holds the distinction of being <strong>one of the first dual-chip ASIC miner available on the market</strong>. It's designed specifically for home and office environments, targeting solo miners, beginners, and experienced enthusiasts who want to participate in decentralized Bitcoin mining without the noise, heat, and complexity of industrial-scale equipment.</p><p>What <strong>sets the BitForge Nano apart</strong> is its commitment to open-source principles. Both the firmware and hardware are community-driven and freely available, allowing users to customize, modify, or even build their own versions at home. The device comes CE certified, ensuring it meets European safety and quality standards, a testament to the German engineering behind it.</p><p>The miner arrives in a custom-designed 3D-printed case that prioritizes both functionality and aesthetics. Unlike many mining devices that look industrial and out of place in a home setting, the BitForge Nano's box form factor blends seamlessly into any room. It's a plug-and-play solution that eschews unnecessary displays and gimmicks in favor of straightforward operation through the <strong>ForgeOS</strong> web interface.</p> <p> 👉 <a rel="noopener nofollow" target="_blank" style="font-weight:bold" href="https://blockdyor.com/go/dtvelectronics">Click here to get the BitForge Nano from the official DTV Electronics Store. Use code BLOCKDYOR10 for an exclusive 10% off at checkout</a>. </p> <h2 id="how-the-bitforge-nano-works">How The Bitforge Nano Works</h2><figure class="kg-card kg-image-card kg-card-hascaption"><img src="https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Overview.webp" class="kg-image" alt="Bitforge Nano Overview" loading="lazy" width="1920" height="1080" srcset="https://blockdyor.com/content/images/size/w600/2026/01/Bitforge-Nano-Overview.webp 600w, https://blockdyor.com/content/images/size/w1000/2026/01/Bitforge-Nano-Overview.webp 1000w, https://blockdyor.com/content/images/size/w1600/2026/01/Bitforge-Nano-Overview.webp 1600w, https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Overview.webp 1920w" /><figcaption><span style="white-space:pre-wrap">Bitforge Nano Overview</span></figcaption></figure><p>At its core, the BitForge Nano uses dual <strong>BM1370 ASIC chips</strong>, the same chips used in industrial mining equipment but configured for home use. These factory-new chips, work in tandem to deliver a combined hashrate that significantly exceeds single-chip alternatives like the Bitaxe Supra and Gamma.</p><figure class="kg-card kg-image-card kg-card-hascaption"><img src="https://blockdyor.com/content/images/2026/01/BM1370-BitForge-Nano.webp" class="kg-image" alt="BM1370 BitForge Nano" loading="lazy" width="760" height="711" srcset="https://blockdyor.com/content/images/size/w600/2026/01/BM1370-BitForge-Nano.webp 600w, https://blockdyor.com/content/images/2026/01/BM1370-BitForge-Nano.webp 760w" /><figcaption><span style="white-space:pre-wrap">BM1370, the heart of the BitForge Nano</span></figcaption></figure><p>The device is controlled by an <strong>ESP32-S3</strong> microcontroller, which manages the mining operations and provides a fast, stable Wi-Fi connection. This removes the need for ethernet cables, making the setup remarkably clean and flexible. You can place the Bitforge Nano anywhere within Wi-Fi range without worrying about running network cables across your space.</p><p>Once powered on with the included power supply, the miner connects to your network and presents a user-friendly web interface through BitForgeOS. From this interface, you can configure your mining pool, adjust performance settings, and monitor your device's statistics, all without needing to install additional software on your computer.</p><p>The Bitforge Nano offers three distinct performance profiles, allowing you to balance hashrate against power consumption and heat output based on your preferences. Out of the box, it runs at 2.4 TH/s at medium mode, but you can adjust this from 2 TH/s for quieter, cooler operation, and up to 2.6 TH/s for maximum performance (though overclocking beyond manufacturer specifications voids the warranty).</p><p>For those interested in solo mining, attempting to find Bitcoin blocks independently rather than joining a pool, the Bitforge Nano makes this accessible. Based on 2026 stats, if approximately 50,000 Bitforge Nanos are operating worldwide at 2.6 TH/s each, the average time to find a block would be around 57 days. While this is a lottery-style approach to mining, it supports Bitcoin's decentralization and gives home miners a chance, however small, at the full block reward.</p><h2 id="bitforge-nano-features">Bitforge Nano Features</h2><figure class="kg-card kg-image-card kg-card-hascaption"><img src="https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Technical-Specifications.webp" class="kg-image" alt="Bitforge Nano Technical Specifications" loading="lazy" width="1805" height="1157" srcset="https://blockdyor.com/content/images/size/w600/2026/01/Bitforge-Nano-Technical-Specifications.webp 600w, https://blockdyor.com/content/images/size/w1000/2026/01/Bitforge-Nano-Technical-Specifications.webp 1000w, https://blockdyor.com/content/images/size/w1600/2026/01/Bitforge-Nano-Technical-Specifications.webp 1600w, https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Technical-Specifications.webp 1805w" /><figcaption><span style="white-space:pre-wrap">Bitforge Nano Technical Specifications</span></figcaption></figure><p><strong>Dual BM1370 ASIC Chips</strong><br />The defining feature of the Bitforge Nano is its dual-chip configuration. Using only factory-new BM1370 chips, the device achieves performance levels previously unavailable in the home mining segment. This dual-chip approach is what enables up to 2.6 TH/s hashrate that doubles the output of comparable single-chip devices.</p><p><strong>Advanced Cooling System</strong><br />The engineers behind the Bitforge Nano developed a specialized heat sink specifically for this device. The cooling concept uses two fans to create optimal airflow, with parallel cooling of the voltage regulator to ensure every component stays within safe operating temperatures. This perfected cooling design allows the dual chips to run efficiently while keeping noise levels reasonable and preventing thermal throttling that could reduce performance.</p><p><strong>Custom 3D-Printed Housing</strong><br />The housing isn't just functional, it's been designed to look professional and blend into home or office environments. The 3D-printed case is sturdy enough to protect the components while maintaining a compact footprint that won't dominate your desk or shelf.</p><p><strong>Integrated Wi-Fi</strong><br />Thanks to the ESP32-S3 microcontroller, the Bitforge Nano connects wirelessly to your network. This space-saving feature eliminates cable clutter and gives you flexibility in placement. Setup takes just minutes through the web interface, no technical expertise required.</p><p><strong>Open-Source Firmware and Hardware</strong><br />Both the BitForgeOS firmware and the hardware designs are open-source and available through the official GitHub repository. This means you can examine the code, suggest improvements, contribute to development, or modify the software to suit your specific needs. The open-source nature also ensures transparency and allows the community to audit security and performance continuously.</p><p><strong>Three Performance Modes</strong><br />Choose between efficiency and power:</p><ul><li>Eco mode: 2 TH/s for minimal power consumption and noise</li><li>Standard mode: 2.2 TH/s out-of-the-box performance</li><li>Performance mode: 2.6 TH/s for maximum hashrate</li></ul><p><strong>Simple Operation</strong><br />There's no display, no buttons to fumble with, and no complex menus. The Bitforge Nano is operated exclusively through the clean, intuitive ForgeOS web interface accessible from any device on your network.</p><p><strong>CE Certification</strong><br />The device meets European safety standards, providing peace of mind that it's been tested and approved for home use.</p><h2 id="improvements-compared-to-the-previous-generation">Improvements Compared To The Previous Generation</h2><p>When compared to the Bitaxe Gamma, one of the most popular home mining devices on the market, the Bitforge Nano represents a substantial leap forward in several key areas.</p><p><strong>Hashrate Performance</strong><br />The most obvious improvement is hashrate. While the Bitaxe Gamma delivers a respectable single-chip performance, the Bitforge Nano's dual BM1370 configuration produces up to 2.6 TH/s out of the box, more than double the Gamma's output. This isn't just a minor incremental improvement; it's a fundamental shift in what's possible for home miners. The ability to scale up to 2.6 TH/s in performance mode pushes this advantage even further.</p><p><strong>Efficiency</strong><br />Despite doubling the hashrate, the Bitforge Nano maintains excellent efficiency at 15 J/TH according to chip specifications. This means you're getting significantly more mining power without a proportional increase in your electricity bill. The Bitaxe Gamma is efficient for a single-chip device, but the Bitforge Nano's dual-chip optimization and advanced cooling system allow it to operate at competitive efficiency levels while delivering far more performance.</p><p><strong>Cooling and Noise</strong><br />The specially developed heat sink and dual-fan cooling system in the Bitforge Nano represents a significant engineering improvement. While the Bitaxe Gamma can run warm and occasionally loud under stress, the Bitforge Nano's perfected cooling concept with parallel voltage regulator cooling ensures optimal heat dissipation across all components. This results in more stable performance and quieter operation, even when pushing the device to its limits.</p><p><strong>Form Factor and Aesthetics</strong><br />The Bitaxe Gamma has an open, exposed design that showcases its components but can look industrial. The Bitforge Nano's custom 3D-printed box housing offers a more refined, professional appearance that's designed to blend into home and office environments. This might seem superficial, but for devices meant to run 24/7 in living spaces, aesthetics matter.</p><p><strong>Market Positioning</strong><br />The Bitforge Nano holds the distinction of being the first dual-chip ASIC miner on the market. This isn't just a marketing claim, it represents genuine innovation in the home mining space. While the Bitaxe Gamma proved that home mining could be accessible and efficient, the Bitforge Nano proves it can also be powerful.</p><p><strong>Setup and Management</strong><br />Both devices offer web-based interfaces, but the Bitforge Nano's ForgeOS has been developed specifically for dual-chip management and offers three distinct performance profiles out of the box. The ESP32-S3 microcontroller provides faster processing and more reliable Wi-Fi connectivity than previous generation controllers.</p><h2 id="bitforge-nano-quick-review">BitForge Nano Quick Review</h2><table> <thead> <tr> <th>Category</th> <th>Feature</th> <th>Score</th> </tr> </thead> <tbody> <tr> <td><strong>🔐 Profitability and Performance (45/50)</strong></td> <td></td> <td></td> </tr> <tr> <td>💰 Efficiency</td> <td>15.38 J/TH (40W ÷ 2.6 TH/s)</td> <td>7/10</td> </tr> <tr> <td>💵 Economic Efficiency</td> <td>96.15 $/TH ($249.99 ÷ 2.6 TH/s)</td> <td>8/10</td> </tr> <tr> <td>📈 Interest Ratio</td> <td>1,478.87 (15.38 × 96.15)</td> <td>3/5</td> </tr> <tr> <td>💹 Price Weighted Interest Ratio</td> <td>369.57 (15.38 × 96.15 × 249.99) ÷ 1000</td> <td>3/5</td> </tr> <tr> <td>💡 Monthly Electric Bill</td> <td>$4.32 (40W × 24h × 30 days × $0.15/kWh ÷ 1000)</td> <td>5/5</td> </tr> <tr> <td>⛏️ Hashrate</td> <td>2.6 TH/s</td> <td>5/5</td> </tr> <tr> <td>⚡ Power Consumption</td> <td>40 W</td> <td>5/5</td> </tr> <tr> <td>💲 Price</td> <td>$249.99</td> <td>4/5</td> </tr> <tr> <td><strong>🚀 Features (45/50)</strong></td> <td></td> <td></td> </tr> <tr> <td>✔️ Compatibility</td> <td>Can mine every SHA 256 and connect to most pools</td> <td>5/5</td> </tr> <tr> <td>📶 Connectivity</td> <td>Wi-Fi only, lacks Ethernet</td> <td>4/5</td> </tr> <tr> <td>📏 Form Factor</td> <td>Compact 3D-printed box design</td> <td>5/5</td> </tr> <tr> <td>🔊 Noise</td> <td>~30 dB (dual-fan cooling system)</td> <td>5/5</td> </tr> <tr> <td>🔄 Open Source</td> <td>Open Source Hardware &amp; Software</td> <td>5/5</td> </tr> <tr> <td>⛏️ Solo Mining</td> <td>Supports Solo Mining pools</td> <td>5/5</td> </tr> <tr> <td>🌡️ Heat</td> <td>Front exhaust air reaches 40-50°C</td> <td>5/5</td> </tr> <tr> <td>🤝 Support</td> <td>Website (osmu.xyz) &amp; Community support</td> <td>5/5</td> </tr> <tr> <td>📜 Warranty</td> <td>1 year warranty (overclocking voids it)</td> <td>3/5</td> </tr> <tr> <td>⏳ 3yr Possession Cost</td> <td>$405.51 ($4.32 × 36 months + $249.99)</td> <td>4/5</td> </tr> <tr> <td><strong>🧱blockdyor Score (90/100)</strong></td> <td></td> <td></td> </tr> </tbody> </table> <h2 id="canaan-bitforge-nano-teardown">Canaan Bitforge Nano Teardown</h2><figure class="kg-card kg-image-card kg-card-hascaption"><img src="https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Teardown-1.webp" class="kg-image" alt="Bitforge Nano Teardown 1" loading="lazy" width="1000" height="750" srcset="https://blockdyor.com/content/images/size/w600/2026/01/Bitforge-Nano-Teardown-1.webp 600w, https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Teardown-1.webp 1000w" /><figcaption><span style="white-space:pre-wrap">Bitforge Nano Teardown 1</span></figcaption></figure><p>Tearing down your miner should a routine to remove the dust that accumulates after some time, and doing so on the Bitforge Nano it's quite simple as it just removing 4 screws from the bottom.</p><figure class="kg-card kg-image-card kg-card-hascaption"><img src="https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Teardown-2.webp" class="kg-image" alt="Bitforge Nano Teardown 2" loading="lazy" width="1000" height="750" srcset="https://blockdyor.com/content/images/size/w600/2026/01/Bitforge-Nano-Teardown-2.webp 600w, https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Teardown-2.webp 1000w" /><figcaption><span style="white-space:pre-wrap">Bitforge Nano Teardown 2</span></figcaption></figure><p>When the screws are removed, the upper part will slide away as the chassis is anchored to the lower part of the case.</p><figure class="kg-card kg-image-card kg-card-hascaption"><img src="https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Teardown-3.webp" class="kg-image" alt="Bitforge Nano Teardown 3" loading="lazy" width="1000" height="750" srcset="https://blockdyor.com/content/images/size/w600/2026/01/Bitforge-Nano-Teardown-3.webp 600w, https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Teardown-3.webp 1000w" /><figcaption><span style="white-space:pre-wrap">Bitforge Nano Teardown 3</span></figcaption></figure><p>Here's the chassis, nevermind the dust as before doing this review I have been using the miner for around one month solo mining for testing purposes. There are two 40x20mm 12 volt PWM fans that blows cool air into a massive heatsink. This guarantees always cool operation at around 50-60 degrees celsius. There is no wasted space inside the device, everything is optimized for mining and forms follows function.</p><figure class="kg-card kg-image-card kg-card-hascaption"><img src="https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Teardown-4.webp" class="kg-image" alt="Bitforge Nano Teardown 4" loading="lazy" width="1000" height="750" srcset="https://blockdyor.com/content/images/size/w600/2026/01/Bitforge-Nano-Teardown-4.webp 600w, https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Teardown-4.webp 1000w" /><figcaption><span style="white-space:pre-wrap">Bitforge Nano Teardown 4</span></figcaption></figure><figure class="kg-card kg-image-card kg-card-hascaption"><img src="https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Teardown-5.webp" class="kg-image" alt="Bitforge Nano Teardown 5" loading="lazy" width="1000" height="750" srcset="https://blockdyor.com/content/images/size/w600/2026/01/Bitforge-Nano-Teardown-5.webp 600w, https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Teardown-5.webp 1000w" /><figcaption><span style="white-space:pre-wrap">Bitforge Nano Teardown 5</span></figcaption></figure><p>The heatsink is slightly offset from the fans due to the board layout, but it features a conveyor design that channels airflow directly across the entire heatsink surface.</p><figure class="kg-card kg-image-card kg-card-hascaption"><img src="https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Teardown-6-Designed-In-Germany.webp" class="kg-image" alt="Bitforge Nano Teardown 6 Designed In Germany" loading="lazy" width="1000" height="1333" srcset="https://blockdyor.com/content/images/size/w600/2026/01/Bitforge-Nano-Teardown-6-Designed-In-Germany.webp 600w, https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Teardown-6-Designed-In-Germany.webp 1000w" /><figcaption><span style="white-space:pre-wrap">Bitforge Nano Teardown 6 Designed In Germany</span></figcaption></figure><p>The board has been designed in germany by WantClue Technologies and produced by DTV Electronics as written on the board.</p><figure class="kg-card kg-image-card kg-card-hascaption"><img src="https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Teardown-6--Fans.webp" class="kg-image" alt="Bitforge Nano Teardown 6 Fans" loading="lazy" width="1000" height="750" srcset="https://blockdyor.com/content/images/size/w600/2026/01/Bitforge-Nano-Teardown-6--Fans.webp 600w, https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Teardown-6--Fans.webp 1000w" /><figcaption><span style="white-space:pre-wrap">Bitforge Nano Teardown 6 Fans</span></figcaption></figure><p>Back to the fans for a moment: they can be removed without any screws, as they simply snap into the 3D-printed case and stay firmly in place. This is an excellent design choice that makes routine cleaning operations quick and easy.</p><figure class="kg-card kg-image-card kg-card-hascaption"><img src="https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Teardown-7-ESP32-S3-WROOM1.webp" class="kg-image" alt="Bitforge Nano Teardown 7 ESP32-S3-WROOM1" loading="lazy" width="1000" height="750" srcset="https://blockdyor.com/content/images/size/w600/2026/01/Bitforge-Nano-Teardown-7-ESP32-S3-WROOM1.webp 600w, https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Teardown-7-ESP32-S3-WROOM1.webp 1000w" /><figcaption><span style="white-space:pre-wrap">Bitforge Nano Teardown 7 ESP32-S3-WROOM1</span></figcaption></figure><p>The E<strong>SP32-S3-WROOM-1</strong> is the microcontroller that serves as the Bitforge Nano's control center. This compact module manages all mining operations, controls the dual BM1370 ASIC chips, and handles Wi-Fi connectivity. It runs the BitForgeOS web interface, monitors system health (temperature, hashrate, power), controls the dual-fan cooling system, and executes the open-source firmware. Its integrated Wi-Fi eliminates the need for ethernet cables, while its processing power efficiently manages all device functions.</p><h2 id="how-to-start-mining-with-the-bitforge-nano">How To Start Mining With The BitForge Nano</h2><p>To get started with the BitForge Nano:</p><ol><li>Connect the BitForge Nano to power and wait a few seconds for it to boot up.</li><li>On any Wi-Fi enabled device, scan for nearby networks and look for "Nano_XXXX" (where XXXX represents random numbers).</li><li>Connect to that network.</li></ol><figure class="kg-card kg-image-card kg-card-hascaption"><img src="https://blockdyor.com/content/images/2026/01/How-To-Start-Mining-With-The-BitForge-Nano-1.webp" class="kg-image" alt="How To Start Mining With The BitForge Nano 1" loading="lazy" width="1500" height="1639" srcset="https://blockdyor.com/content/images/size/w600/2026/01/How-To-Start-Mining-With-The-BitForge-Nano-1.webp 600w, https://blockdyor.com/content/images/size/w1000/2026/01/How-To-Start-Mining-With-The-BitForge-Nano-1.webp 1000w, https://blockdyor.com/content/images/2026/01/How-To-Start-Mining-With-The-BitForge-Nano-1.webp 1500w" /><figcaption><span style="white-space:pre-wrap">How To Start Mining With The BitForge Nano 1</span></figcaption></figure><ol><li>In the Wi-Fi SSID put your Wi-Fi name and in the Wi-Fi password put the password. Remember that this last field is case sensitive. If everything goes right, you should get the IP address of the BitForge nano. Now you can go to a browser and insert that IP address.</li></ol><figure class="kg-card kg-image-card kg-card-hascaption"><img src="https://blockdyor.com/content/images/2026/01/How-To-Start-Mining-With-The-BitForge-Nano-2.webp" class="kg-image" alt="How To Start Mining With The BitForge Nano 2" loading="lazy" width="1000" height="593" srcset="https://blockdyor.com/content/images/size/w600/2026/01/How-To-Start-Mining-With-The-BitForge-Nano-2.webp 600w, https://blockdyor.com/content/images/2026/01/How-To-Start-Mining-With-The-BitForge-Nano-2.webp 1000w" /><figcaption><span style="white-space:pre-wrap">How To Start Mining With The BitForge Nano 2</span></figcaption></figure><ol><li>After putting the IP address in the address bar of a browser of a computer/mobile connected on the same network, you will finally be able to see the ForgeOS dashboard, setup your pool and start mining.</li></ol><h2 id="bitforge-nano-alternatives">BitForge Nano Alternatives</h2><p>While the Bitforge Nano leads the dual-chip revolution, two notable alternatives dominate the home mining space: the Canaan Avalon Nano 3S and the Bitaxe Gamma. Each offers distinct advantages depending on your priorities and budget.</p><h3 id="canaan-avalon-nano-3s">Canaan Avalon Nano 3S</h3><p>The Canaan Avalon Nano 3S represents the corporate approach to home mining. Manufactured by Canaan, one of the oldest and most established ASIC producers, this device brings industrial-grade reliability to the home market.</p><p><strong>Key Specifications:</strong></p><ul><li>Hashrate: Approximately 3.3 TH/s</li><li>Power Consumption: Around 55-60W</li><li>Efficiency: ~17-18 J/TH</li><li>Connectivity: Ethernet and Wi-Fi</li><li>Form Factor: Slightly larger than Bitforge Nano</li></ul><p><strong>Advantages over Bitforge Nano:</strong></p><ul><li>Higher raw hashrate (3.3 TH/s vs 2.6 TH/s)</li><li>Dual connectivity options (Ethernet + Wi-Fi)</li><li>Backed by established manufacturer with extensive support</li><li>Injection-molded housing for durability</li><li>Potentially longer warranty coverage</li></ul><p><strong>Disadvantages compared to Bitforge Nano:</strong></p><ul><li>Less efficient (17-18 J/TH vs 15.38 J/TH)</li><li>Proprietary firmware and hardware (not open-source)</li><li>Higher power consumption and electricity costs</li><li>Limited customization options</li><li>Larger form factor</li><li>Typically higher price point</li></ul><p>The Avalon Nano 3S suits miners who prioritize maximum hashrate and prefer the security of an established manufacturer over open-source flexibility. If you're willing to pay more for electricity in exchange for additional hashing power and don't need customization capabilities, the 3S is a solid choice.</p><figure class="kg-card kg-bookmark-card"><a class="kg-bookmark-container" href="https://blockdyor.com/canaan-avalon-nano-3s-review/"><div class="kg-bookmark-content"><div class="kg-bookmark-title">Canaan Avalon Nano 3S Review: Harder, Better, Faster, Stronger</div><div class="kg-bookmark-description">The Canaan Avalon Nano 3S brings Bitcoin mining to your home with improved performance, lower noise, and easy setup. While not as cheap as its predecessor, it delivers better efficiency, a useful display, and reliable operation, making it ideal for hobbyists and enthusiasts alike.</div><div class="kg-bookmark-metadata"><img class="kg-bookmark-icon" src="https://blockdyor.com/content/images/icon/favicon-21.png" alt="" /><span class="kg-bookmark-author">blockdyor</span><span class="kg-bookmark-publisher">Andrea Carnimeo</span></div></div><div class="kg-bookmark-thumbnail"><img src="https://blockdyor.com/content/images/thumbnail/Canaan-Avalon-Nano-3S-Review.webp" alt="" /></div></a></figure><h3 id="bitaxe-gamma">Bitaxe Gamma</h3><p>The Bitaxe Gamma is the spiritual predecessor to the Bitforge Nano, representing the previous generation of open-source home mining. It's proven, popular, and has an active community behind it.</p><p><strong>Key Specifications:</strong></p><ul><li>Hashrate: Approximately 1.2-1.4 TH/s</li><li>Power Consumption: Around 15-18W</li><li>Efficiency: ~12-15 J/TH (depending on configuration)</li><li>Connectivity: Wi-Fi only</li><li>Form Factor: Open-board design</li></ul><p><strong>Advantages over Bitforge Nano:</strong></p><ul><li>Lower initial cost</li><li>Lower power consumption</li><li>Established community and extensive documentation</li><li>Multiple proven firmware versions</li><li>Easier to repair due to exposed components</li><li>Better efficiency per TH in some configurations</li></ul><p><strong>Disadvantages compared to Bitforge Nano:</strong></p><ul><li>Half the hashrate (1.2-1.4 TH/s vs 2.6 TH/s)</li><li>Single BM1366 chip vs dual BM1370 chips</li><li>Open-board design less aesthetically appealing</li><li>More exposed components (dust, damage risk)</li><li>Less sophisticated cooling system</li><li>No enclosed housing included</li></ul><p>The Bitaxe Gamma remains an excellent entry point for miners on a tight budget or those who want to learn the fundamentals without significant investment. Its open design makes it educational, and the lower power draw means minimal electricity costs. However, you're getting roughly half the mining power of the Bitforge Nano.</p><figure class="kg-card kg-bookmark-card"><a class="kg-bookmark-container" href="https://blockdyor.com/bitaxe/"><div class="kg-bookmark-content"><div class="kg-bookmark-title">Bitaxe: Open Source Bitcoin Mining</div><div class="kg-bookmark-description">While Bitcoin industrial mining has partly fallen into the hands of a few publicly traded companies, home mining is experiencing a revival thanks to an open-source project called Bitaxe, created by @Skot9000. Let’s take a closer look at what it is, how it works, and how you can set one up.</div><div class="kg-bookmark-metadata"><img class="kg-bookmark-icon" src="https://blockdyor.com/content/images/icon/favicon-22.png" alt="" /><span class="kg-bookmark-author">blockdyor</span><span class="kg-bookmark-publisher">Andrea Carnimeo</span></div></div><div class="kg-bookmark-thumbnail"><img src="https://blockdyor.com/content/images/thumbnail/Bitaxe.webp" alt="" /></div></a></figure><h3 id="comparison-summary">Comparison Summary</h3><table> <thead> <tr> <th>Feature</th> <th>Bitforge Nano</th> <th>Avalon Nano 3S</th> <th>Bitaxe Gamma</th> </tr> </thead> <tbody> <tr> <td>Hashrate</td> <td>2.6 TH/s</td> <td>3.3 TH/s</td> <td>1.2-1.4 TH/s</td> </tr> <tr> <td>Power</td> <td>40W</td> <td>55-60W</td> <td>15-18W</td> </tr> <tr> <td>Efficiency</td> <td>15.38 J/TH</td> <td>17-18 J/TH</td> <td>12-15 J/TH</td> </tr> <tr> <td>Open Source</td> <td>Yes</td> <td>No</td> <td>Yes</td> </tr> <tr> <td>Housing</td> <td>3D-printed box</td> <td>Injection-molded</td> <td>Open board</td> </tr> <tr> <td>Connectivity</td> <td>Wi-Fi</td> <td>Wi-Fi + Ethernet</td> <td>Wi-Fi</td> </tr> <tr> <td>ASIC Chips</td> <td>Dual BM1370</td> <td>Single chip</td> <td>Single BM1366</td> </tr> <tr> <td>Price Point</td> <td>Mid-range</td> <td>Higher</td> <td>Budget</td> </tr> <tr> <td>Best For</td> <td>Balance &amp; customization</td> <td>Maximum hashrate</td> <td>Learning &amp; budget</td> </tr> </tbody> </table> <p>All three devices have their place in the home mining ecosystem. The Bitforge Nano strikes the optimal balance for most users, offering dual-chip performance with open-source flexibility at a reasonable price point. The Avalon Nano 3S maximizes hashrate for those who can afford higher operating costs, while the Bitaxe Gamma remains the budget-friendly learning platform that launched the home mining revolution.</p><h2 id="bitforge-nano-pros-cons">Bitforge Nano Pros &amp; Cons</h2><table> <thead> <tr> <th>Pros</th> <th>Cons</th> </tr> </thead> <tbody> <tr> <td>✅ 2.6 TH/s hashrate - the double of the Bitaxe Gamma</td> <td>❌ No on-device display for monitoring</td> </tr> <tr> <td>✅ First dual-chip ASIC miner on the market</td> <td>❌ Wi-Fi only - requires stable wireless network</td> </tr> <tr> <td>✅ Excellent 15 J/TH efficiency</td> <td></td> </tr> <tr> <td>✅ German engineering with CE certification</td> <td></td> </tr> <tr> <td>✅ Advanced cooling system runs quiet and cool</td> <td></td> </tr> <tr> <td>✅ Fully open-source firmware and hardware</td> <td></td> </tr> <tr> <td>✅ Clean web interface with three performance modes</td> <td></td> </tr> </tbody> </table> <h2 id="bottom-line">Bottom Line</h2><p>The <strong>BitForge Nano</strong> redefines home Bitcoin mining with its dual BM1370 chips delivering 2.6 TH/s, more than double the Bitaxe Gamma, while maintaining 15 J/TH efficiency in a quiet, compact design. This first-to-market dual-chip ASIC miner combines CE-certified German engineering with fully open-source firmware and hardware, ensuring continuous community-driven improvements. Minor limitations like 3D-printed housing and Wi-Fi-only connectivity are negligible compared to its groundbreaking performance. Whether solo mining for decentralization or pool mining for returns, the Bitforge Nano represents the pinnacle of accessible home mining technology. Visit osmu.xyz for community support.</p> <p> 👉 <a rel="noopener nofollow" target="_blank" style="font-weight:bold" href="https://blockdyor.com/go/dtvelectronics">Click here to get the BitForge Nano from the official DTV Electronics Store. Use code BLOCKDYOR10 for an exclusive 10% off at checkout</a>. </p> <div class="kg-card kg-product-card"> <div class="kg-product-card-container"> <img src="https://blockdyor.com/content/images/2026/01/Bitforge-Nano-Logo.webp" width="300" height="300" class="kg-product-card-image" loading="lazy" /> <div class="kg-product-card-title-container"> <h4 class="kg-product-card-title"><span style="white-space:pre-wrap">BitForge Nano Evaluation</span></h4> </div> <div class="kg-product-card-rating"> <span class="kg-product-card-rating-active kg-product-card-rating-star"><svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 24 24"><path d="M12.729,1.2l3.346,6.629,6.44.638a.805.805,0,0,1,.5,1.374l-5.3,5.253,1.965,7.138a.813.813,0,0,1-1.151.935L12,19.934,5.48,23.163a.813.813,0,0,1-1.151-.935L6.294,15.09.99,9.837a.805.805,0,0,1,.5-1.374l6.44-.638L11.271,1.2A.819.819,0,0,1,12.729,1.2Z"></path></svg></span> <span class="kg-product-card-rating-active kg-product-card-rating-star"><svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 24 24"><path d="M12.729,1.2l3.346,6.629,6.44.638a.805.805,0,0,1,.5,1.374l-5.3,5.253,1.965,7.138a.813.813,0,0,1-1.151.935L12,19.934,5.48,23.163a.813.813,0,0,1-1.151-.935L6.294,15.09.99,9.837a.805.805,0,0,1,.5-1.374l6.44-.638L11.271,1.2A.819.819,0,0,1,12.729,1.2Z"></path></svg></span> <span class="kg-product-card-rating-active kg-product-card-rating-star"><svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 24 24"><path d="M12.729,1.2l3.346,6.629,6.44.638a.805.805,0,0,1,.5,1.374l-5.3,5.253,1.965,7.138a.813.813,0,0,1-1.151.935L12,19.934,5.48,23.163a.813.813,0,0,1-1.151-.935L6.294,15.09.99,9.837a.805.805,0,0,1,.5-1.374l6.44-.638L11.271,1.2A.819.819,0,0,1,12.729,1.2Z"></path></svg></span> <span class="kg-product-card-rating-active kg-product-card-rating-star"><svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 24 24"><path d="M12.729,1.2l3.346,6.629,6.44.638a.805.805,0,0,1,.5,1.374l-5.3,5.253,1.965,7.138a.813.813,0,0,1-1.151.935L12,19.934,5.48,23.163a.813.813,0,0,1-1.151-.935L6.294,15.09.99,9.837a.805.805,0,0,1,.5-1.374l6.44-.638L11.271,1.2A.819.819,0,0,1,12.729,1.2Z"></path></svg></span> <span class="kg-product-card-rating-active kg-product-card-rating-star"><svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 24 24"><path d="M12.729,1.2l3.346,6.629,6.44.638a.805.805,0,0,1,.5,1.374l-5.3,5.253,1.965,7.138a.813.813,0,0,1-1.151.935L12,19.934,5.48,23.163a.813.813,0,0,1-1.151-.935L6.294,15.09.99,9.837a.805.805,0,0,1,.5-1.374l6.44-.638L11.271,1.2A.819.819,0,0,1,12.729,1.2Z"></path></svg></span> </div> <div class="kg-product-card-description"><p><span style="white-space:pre-wrap">With a 90/100 blockdyor score, the Bitforge Nano ranks among the top home miners we've evaluated, earning our strong recommendation. The fully open-source hardware and software stand out as massive advantages, fostering community-driven innovation and transparency. Combined with its industry-leading dual-chip performance, excellent efficiency, and German engineering quality, the Bitforge Nano represents the cutting edge of accessible Bitcoin mining. Whether you're a beginner or experienced miner, this device delivers exceptional value and performance for home mining operations.</span></p></div> </div> </div> <h2 id="frequently-asked-questions-faq">Frequently Asked Questions (FAQ)</h2> <div> <h3 id="what-hashrate-does-bitforge-nano-achieve">What hashrate does the Bitforge Nano achieve?</h3> <div> <div> The Bitforge Nano delivers 2.4 TH/s out of the box, with three performance modes ranging from 2.0 TH/s (eco mode) to 2.6 TH/s (performance mode), nearly double the hashrate of comparable single-chip miners like the Bitaxe Gamma. </div> </div> </div> <div> <h3 id="is-bitforge-nano-open-source">Is the Bitforge Nano open-source?</h3> <div> <div> Yes, the hardware designs are fully open-source and available on GitHub. This allows the community to customize, audit, contribute to development, or even build their own versions at home. </div> </div> </div> <div> <h3 id="how-efficient-is-bitforge-nano">How efficient is the Bitforge Nano?</h3> <div> <div> The Bitforge Nano operates at approximately 15.38 J/TH when running at 2.6 TH/s with 40W power consumption. This excellent efficiency keeps electricity costs low, with a monthly electric bill of around $4.32 (at $0.15/kWh). </div> </div> </div> <div> <h3 id="does-bitforge-nano-support-solo-mining">Does the Bitforge Nano support solo mining?</h3> <div> <div> Yes, the Bitforge Nano fully supports solo mining pools. Based on December 2025 statistics, with approximately 50,000 units running at 2.4 TH/s worldwide, the average time to find a block would be around 57 days. </div> </div> </div> <div> <h3 id="how-loud-is-bitforge-nano">How loud is the Bitforge Nano?</h3> <div> <div> The Bitforge Nano operates at approximately 30 dB thanks to its advanced dual-fan cooling system and specially designed heat sink. This makes it quiet enough for home or office environments without being disruptive. </div> </div> </div> <div> <h3 id="what-connectivity-options-does-it-have">What connectivity options does the Bitforge Nano have?</h3> <div> <div> The Bitforge Nano features integrated Wi-Fi through its ESP32-S3-WROOM-1 microcontroller, eliminating the need for ethernet cables. However, it does not have an ethernet port, so a stable wireless network is required. </div> </div> </div> <div> <h3 id="is-bitforge-nano-difficult-to-set-up">Is the Bitforge Nano difficult to set up?</h3> <div> <div> No, setup is very simple. Just connect the device to power, connect to its Wi-Fi network (Nano_XXXX), and access the user-friendly BitForgeOS web interface to configure your mining pool and settings. The entire process takes just a few minutes. </div> </div> </div> <div> <h3 id="what-warranty-does-bitforge-nano-come-with">What warranty does the Bitforge Nano come with?</h3> <div> <div> The Bitforge Nano comes with a 1-year warranty from the manufacturer (DTV Electronics). However, overclocking the device beyond the frequency and voltage range specified in the firmware will void the warranty. </div> </div> </div>

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