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badge.blue @badge.blue · 29/03/2026

📣 badge.blue has been updated! The full attestations spec has been published with improved documentation, walk-throughs, and interactive tools to demonstrate the attestation creation and verification process.

badge.blue

badge.blue - AT Protocol Record Attestations

Specification for CID-first attestations on AT Protocol records. Inline and remote cryptographic signatures with replay attack prevention.

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Nick Gerakines @ngerakines.me · 26/11/2024

I wrote about the next iteration of @badge.blue today! I released Blue Badge in August 2024 as an experiment in how to incorporate attestation into ATProtocol. This update includes support for using a DID's verification methods and expands on signatures.

docs.smokesignal.events

Blue Badge 0.2.0 | Smoke Signal

After some time and experimentation, the next iteration of Blue Badge is here, and I'm excited to share it with you.

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Nick Gerakines @ngerakines.me · 19/09/2024

I'm fortunate to have the wonderful and talented @artnessbylinnea.com create these beautiful badge illustrations. This update includes minor bug fixes and adds the badge image to records. Log in and visit your profile page to resync badges to your PDS.

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Atmosphere Community @atmosphere.community · 04/09/2024

Oh yeah, and @ngerakines.me is also going to talk a bit about @badge.blue Lots of open questions around this one. Verifiable credentials to go with #ATProtocol DIDs? Check the source code here github.com/ngerakines/b...

github.com

GitHub - ngerakines/badgeblue: Define, Issue, and Verify Badges for ATProtocol Handles.

Define, Issue, and Verify Badges for ATProtocol Handles. - ngerakines/badgeblue

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badge.blue @badge.blue · 03/09/2024

Blue Badge has been open-sourced under the MIT license! This is the reference implementation for retrieving and validating badges and the home for future lexicon discussions: github.com/ngerakines/b...