Announcements

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Doors open at 6pm with discussion starting shortly after!

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CBC/F&C events

https://www.chicagobitcoincollective.com/

Coldcard low entropy bug

https://www.reddit.com/r/Bitcoin/comments/1vatgl4/full_panic_one_of_my_wallets_was_drained/

Explainers

• Summary of impact https://blog.coinkite.com/coldcard-mk3-seed-generation-warning/
• What is entropy https://x.com/Leishman/status/2083280967439884696

Technical breakdowns

• https://insider.btcpp.dev/p/when-randombytes-runs-but-doesnt
• https://engineering.block.xyz/blog/predictable-rng-fallback-and-32-bit-reseed-in-coldcard-firmware
• https://gist.github.com/afilini/b7d13bd2d7deaf8f23d30213a801e3c5
• https://wizardsardine.com/blog/coldcard-vuln-deep-dive/
• https://blog.coinkite.com/entropy-technical-backgrounder/

Fix commit

https://github.com/Coldcard/firmware/commit/ca72463709f4e3f8964952039d5caf955f566a87

BTCPayserver exploit

https://x.com/BtcpayServer/status/2086875402572562755
https://x.com/BtcpayServer/status/2085865561137831938
https://x.com/evankaloudis/status/2085763304165630110

Boltz maintainers stepping down

https://x.com/Boltzhq/status/2087636521746674168