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Citadel Dispatch
CATASTROPHIC COLDCARD BUG
ODELL • Investing, Business, Technology
ODELL • Investing, Business, Technology
Who is vulnerable and why moving funds is urgent

Episode Summary

crosspost on rhr and dispatchhttps://engineering.block.xyz/blog/predictable-rng-fallback-and-32-bit-reseed-in-coldcard-firmwarehttps://insider.btcpp.dev/p/when-randombytes-runs-but-doesnthttps://x.com/Rob1Ham/status/2083936334511538368
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Transcript

Chapters

  • Coldcard seed flaw
  • Who is vulnerable and why moving funds is urgent
  • Accountability for years of recommending Coldcard
  • How trust and complacency led to this failure
  • The race against attackers and the scale of risk
  • Community response, guides, and safer migration steps
  • AI, audits, and why this bug was so dangerous
  • Investigation, white hats, and avoid firmware updates
  • Reflection on trust, humility, and Bitcoin custody
  • Lessons for future custody and final call to act

    • Clips

    • So if you generated a seed on any cold card after March 2021 and you didn't add sufficient dice roll entropy, so dice roll…
    • There was a level of complacency that happened. And I I I believed that someone just generating with a cold card without adding…
    • I think we should wrap and publish this. There's you know? There's If you if you if if you have friends or family that are…