We're hiring fuzzing interns at Brink. Consider applying if you're interested in building out Bitcoin Core's fuzz testing, tooling and infrastructure!

Russell O’Connor joined us to explain his work on formal verification of software, the process of mathematically proving that a program satisfies its specification. - Overview of formal verification of software - Walkthrough w/ libsecp256k1 - Coq, Rocq, Clightgen - SafeGCD - Q&A

I enjoy making these videos. What else do people want to learn about?

To add my own bulletpoints to the under-performance section: - No pardons for Roger Ver and Crypto 6 - No movement to repeal the BSA and Patriot Act - No de minimis capital gains exemption - No clarity on tax treatment of wrapped assets - No repeal of 2024 IRS cost basis rule

Question for anyone who knows the history: why is it normal for desktop apps to be downloaded directly from publishers, but for most mobile app downloads to go through two megacorps?

You've heard of Ruben Somsen's Spacechains¹, but how about Spacerollups?? 😆 ¹ medium.com/@RubenSomsen/2…

Bitcoin doesn’t need to wait for quantum upgrades. Alpen’s light explains at Presidio Bitcoin how quantum-resistant rollups can scale BTC 35x, stay trustless, and adapt instantly without touching Layer 1 consensus. 🧵

On the privacy of shielded L2s lightco.in/2025/08/12/shi… A response to: x.com/thefrankbraun/…

Reminder: Alexey Pertsev ’s arrest was 3 years and 3 days ago. Three years spent in prison or with heavily restricted movement. The legal battle in The Netherlands is still ongoing, just like Roman Storm 🇺🇸 🌪️ ’s in the US. fiod.nl/arrest-of-susp…

Gloria Zhao (gloria) and Mike Schmidt (Schmidty) were joined by Tadge Dryja (Tadge Dryja) and Anthony Towns (Anthony Towns) to discuss Newsletter #366: News 1:03 Draft BIPs proposed for Utreexo 23:43 Continued discussion about lowering the minimum relay feerate 52:27 Peer block

Global namespaces are attack vectors.

great piece and still my stance after leaving the zcash ecosystem to work on bitcoin

The Rage Thanks for flagging this. Non-custodial wallets are not in scope of Google Play’s Cryptocurrency Exchanges and Software Wallets Policy. We are updating the Help Center to make this clear.

Why buy when you can steal? Welcome to the age of nation-state bitcoin adoption