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Geoffroy Couprie

@geoffroycouprie.com
884 followers 436 following 741 posts

Messing with Rust and cryptography

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Reposted by Geoffroy Couprie
Eugene Vinitsky 🍒 @eugenevinitsky.bsky.social · 26/09/2026
A rich person can never be held accountable. Therefore, a rich person must never make a societal decision
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Geoffroy Couprie @geoffroycouprie.com · 29/06/2026
Some people cannot understand that multiple things can exist in the world. And when there's The One Thing they will complain about the monopoly
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Geoffroy Couprie @geoffroycouprie.com · 25/06/2026
static.klipy.com
Michael Fassbender: Perfection
ALT: Michael Fassbender: Perfection
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Geoffroy Couprie @geoffroycouprie.com · 25/06/2026
It's actually a very good picture to use on dating apps
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Geoffroy Couprie @geoffroycouprie.com · 25/04/2026
media.tenor.com
a raccoon is sitting on its hind legs with its hands folded in prayer .
Alt: A raccoon rubbing hands with a devious smile
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dorian @doriantaylor.com · 04/04/2026
xml is kiki json is bouba
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derek guy @dieworkwear.bsky.social · 23/03/2026
The proliferation of this quote is so interesting to me. It's often posted by right wing chuds who use it to defend conventional aesthetic ideas — such as the importance of having a lean, athletic body — but they don't really understand Owens's work. Let's talk about it. 🧵
A quote by Rick Owens. It reads: "Working out is modern couture. No outfit is going to make you look or feel as good as having a fit body. Buy less clothing and go to the gym instead."
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K-Pop Semen Hunter 🗡️ @emilioemm.com · 16/03/2026
i'm a millennial i was there when cybersecurity was created i should not be forced to take the company's cybersecurity training every 6 months 😒
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Geoffroy Couprie @geoffroycouprie.com · 13/03/2026
It feels weird to see a former project I poured years of work in, go full AI slop. A bit sad, and it does not bring confidence in the production runs going forward
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Patricia Aas 🐢🏳️‍🌈 @patigallardo.bsky.social · 02/03/2026
So the plan was to do a re-run of Venezuela. Keep the dictatorship, but with a more «US-friendly» leadership.
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France traversée @clementd.wtf · 01/03/2026
Une minute de silence pour toutes les victimes civiles en Iran ? Ou alors l'assemblée nationale ne rend hommage qu'aux nazillons ?
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Geoffroy Couprie @geoffroycouprie.com · 20/02/2026
Haussmann would like to have a word
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biscuitsec.org @handle.invalid · 25/01/2026
Great news for PHP devs who want to use biscuit! biscuit-php v0.3.0 has been released, with an improved API, musl builds, and better performance for builders github.com/ptondereau/b... Huge work from @rooferz.bsky.social
github.com
Release v0.3.0 · ptondereau/biscuit-php
Pre-built Binaries This release includes pre-built binaries for Linux x86_64 (glibc and musl) across multiple PHP versions, with both Thread-Safe (TS) and Non-Thread-Safe (NTS) variants. Available ...
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Geoffroy Couprie @geoffroycouprie.com · 26/01/2026
This is the best and only way to think
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InfoQ @infoq.com · 23/01/2026
3/5 ➡️ Is WebAssembly the Secure, Efficient Alternative Everybody was Waiting for? with Laurent Doguin & Geoffroy Couprie bit.ly/4mNLpW6 @ldoguin.name @geoffroycouprie.com #WebAssembly
bit.ly
Is WebAssembly the Secure, Efficient Alternative Everybody was Waiting for?
Laurent Doguin and Geoffroy Couprie discuss their pioneering work with Wasm on the infrastructure side. They walk us through the benefits and challenges of building a platform over WebAssembly and why...
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Geoffroy Couprie @geoffroycouprie.com · 14/01/2026
Précisément 😄
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Ian Coldwater 🧊🚫 @lookitup.baby · 13/01/2026
I love my city and my neighbors. I really do. Now more than ever
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Nicolas Hervieu @nicolas.eurosky.social · 10/01/2026
Fun fact : Par sa décision, le @conseil-etat.fr n'a pas seulement validé la liberté d'utiliser l'écriture inclusive. Il a aussi entériné ce que les juges administratifs ont retenu : Le fait que l'Académie française « se soit déclarée opposée à son usage » n'a... *aucune* incidence légale. (🤭)
3. Il ne résulte pas des dispositions précitées, ni d’aucun autre texte ou principe que la
graphie appelée « écriture inclusive », consistant à faire apparaître, autour d’un point médian,
l’existence des formes masculine et féminine d’un mot ne relève pas de la langue française. Les
circonstances que le ministre de l’éducation nationale ait proscrit son utilisation à l’école par
une circulaire du 5 mai 2021 ou que l’Académie française se soit déclarée opposée à son usage
dans une lettre ouverte du 7 mai 2021 restent à cet égard sans incidence sur la légalité de la
décision attaquée de la Ville de Paris.
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Geoffroy Couprie @geoffroycouprie.com · 08/01/2026
It should be back up now. I've been neglecting my server a bit, sorry 😅
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Geoffroy Couprie @geoffroycouprie.com · 07/01/2026
Counterpoint: we have lowered our standards so much over the years that AI became usable for it. And now AI is helping us reach new lows we could not imagine before
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Riding With Robots @ridingrobots.bsky.social · 06/01/2026
One thing I love about the Onion staff is that when you click on these articles, it's clear they do actually read our media releases.
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jamelle @jamellebouie.net · 28/12/2025
“it is illegal for you not to like me”
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Geoffroy Couprie @geoffroycouprie.com · 26/12/2025
This is what happens when you try to skip to an endgame factory in factorio
Excerpt from "now it can be told":
"
The piles themselves were surrounded by heavy shields of steel,
pressed wood and concrete, to protect the operators from the extreme
radioactivity that accompanies the formation of plutonium. The energy
of this radiation is cquivalent to that of hundreds of tons of radium,
Each pile was located within an area of one square mile. At first
they were six miles apart. S additional piles became necessary,
we planned to intersperse them between those already in existence, so
that the distance betwee them would then be three miles.

Design of the equipment for the chemical separation plants had to
i
keep abreast of, and in some cases ahead of, the development of the
process itself. Fortunately, the two separation processes that seemed
to offer the best prospects employed virtually the same equipment and
piping layouts, SO that it was possible to go ahead with a design the
first stages of which would be suitable for either process. Almost every
one of the major design decisions for Hanford had to be made before
the Clinton pile was in operation.

Oricinally eight separation plants were considered necessary, then
Six, then four. Finally, with the benefit Of the `perating experience
and information obtained from the Clinton semi-works, we decided
to build only three, of which two would operate and one would
serve as a reserve. I should like to point out that these separation
plants were designed when we only had sub-microscopic quantities
of plutonium. Here again, each plant was provided with its own water
system and steam plant and the other service facilities needed for
independent operation. Each plant was a continuous concrete struc-
ture about eisht hundred feet long, in which there were individual
cells containing the various parts involved n the process equipment.
To provide protection from the intense radioactivity, the cells were
surrounded by concrete walls seven feet thick and were covered by
six feet of concrete.
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Yann Schwartz @abolibibelot.bsky.social · 24/12/2025
Les Halles is our Moria.
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Geoffroy Couprie @geoffroycouprie.com · 19/12/2025
So you're saying you want AI agents in your editor 😏
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Jorge Liboreiro @jorgeliboreiro.bsky.social · 11/12/2025
The European Union has triggered Article 122 to indefinitely immobilise the assets of the Russian Central Bank, worth a whopping €210 billion. I explain what just happened and why this is such a big deal for Europeans. 🧵 Long thread.
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Geoffroy Couprie @geoffroycouprie.com · 11/12/2025
Honestly that's the best job
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Geoffroy Couprie @geoffroycouprie.com · 11/12/2025
Maybe we should introduce "seniority without accountability", that would fit very well with modern software development practice
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Geoffroy Couprie @geoffroycouprie.com · 09/12/2025
Oh, that's interesting. It's probably a useful measure of value against the rest at the instant, but is it stable enough over time to use it again as money?
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Geoffroy Couprie @geoffroycouprie.com · 09/12/2025
Considering gold is mainly used as an investment vehicle, without any large practical use in industry, that sounds like a weird metric
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Geoffroy Couprie @geoffroycouprie.com · 06/12/2025
You'd think that by this time they would have built a proper business and not need anymore to push snake oil, but no, the grift continues
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Kevin Riggle @kevinr.free-dissociation.com · 04/12/2025
I have been saying for quite a while now that, any time somebody tells you that their thing is "end-to-end encrypted" you must smile and nod and go, "oh that's cool, very nice" before fixing them with a steel glare and asking, "between which two ends?"
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Pavel @spavel.bsky.social · 30/11/2025
As someone who works on the interaction layer of software: it's this. Stupid trends in hardware self correct after a generation or two, but *software* ratchets in the direction of unusable because designers are occupied with interaction patterns and not whether the fucking thing works properly.
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Geoffroy Couprie @geoffroycouprie.com · 30/11/2025
Bagpipes! Where disassembly and maintenance is half of the fun
A group of bagpipes player, preparing for a small concert in front of a barDisassembled bagpipes, ready to be cleaned up, oiled, then working on airtightness
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James @james.tarnation.lol · 28/11/2025
[observing someone’s obsessive passion project] wow i really like whatever’s wrong with that guy
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Geoffroy Couprie @geoffroycouprie.com · 28/11/2025
Somebody right now is furiously re reading the reviews they received 😂
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Geoffroy Couprie @geoffroycouprie.com · 28/11/2025
In this forsaken period of performance reviews, remember the one joy you can get out of it: endorsing your friends for the things they are good at but will never admit, potentially putting them on the career path they would not dare to try
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Dave Keating @davekeating.substack.com · 25/11/2025
BREAKING: This is huge news, the EU's equivalent of the 🇺🇸Supreme Court's 2015 Obergefell v. Hodges ruling. 🇪🇺Court of Justice just ruled all 🇪🇺countries must recognise same-sex marriages granted in other member states. This effectively legalises gay marriage across 🇪🇺
reuters.com
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Geoffroy Couprie @geoffroycouprie.com · 25/11/2025
It's called five whys because at the sixth you reach the execs
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Geoffroy Couprie @geoffroycouprie.com · 25/11/2025
Sometimes I feel we got a little bit too comfortable with blameless postmortems. We should introduce the accountability premortem. If something can fail and it was predictable, somebody should put their neck on the line, either to prevent it or to deal with the consequences if they arise
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Fred Hebert @ferd.ca · 24/11/2025
A related thing I’ve seen is decent software folks saying “at least what I do isn’t critical” as a way to distance themselves from the perceived responsibility/stress/burden of the things we work on, knowing the tradeoffs we make. We’re given huge amounts of power and should act accordingly.
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Geoffroy Couprie @geoffroycouprie.com · 24/11/2025
People forgot what happened to Enron and the Big 5. It's not exactly the same kind of creative accouting, but there's the general feeling of "I'll build this big thing, benefit from it, it won't bring down my books and somebody else will hold the bag"
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Matt Blaze @mattblaze.org · 22/11/2025
I really want to know the full story behind this epic hack, and yet I also hope it is never solved.
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Geoffroy Couprie @geoffroycouprie.com · 22/11/2025
Also, on the topic of politicians writing porn, you'd be shocked at what we had to deal with in France
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Geoffroy Couprie @geoffroycouprie.com · 22/11/2025
Every day on here you learn another way the US is bonkers but especially today. Still, very probably a reasonable rule
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Geoffroy Couprie @geoffroycouprie.com · 22/11/2025
It might be time to admit to having a nerd interest in organizations and decision making 😅 And it's not helped by my becoming a manager about 6 months ago
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Geoffroy Couprie @geoffroycouprie.com · 22/11/2025
Next one: "Now it can be told", by Leslie Groves, the general who oversaw the Manhattan project. While the stories and movies about Oppenheimer and the physicists are interesting, this digs into the fascinating details of logistics and organization of a project at quch a scale
Book cover of "Now it can be told, the story of the Manhattan project" by Leslie Groves
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the Mountain Goats @themountaingoats.bsky.social · 21/11/2025
re: roblox dude's interview crashout. the thing he wants to say but can't is "at scale, kids are gonna get hurt. that is the price for scale." the thing nobody wants to say out loud is "maybe scaling to a level where harm isn't manageable is bad, and scale should be contained"
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