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Emergency Episode: The Coldcard Bug and What It Means for Bitcoin Policy
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What happens when an AI model finds a fatal flaw in Bitcoin's gold-standard hardware wallet? On this emergency episode of The Bitcoin Policy Hour, the BPI team is joined by AnchorWatch CEO Rob Hamilton to break down the Coldcard entropy bug: a weakness in how the device generated seed phrases that let attackers drain over 1,000 BTC from wallets that had never touched the internet. Rob explains who needs to move their funds right now, how Kimi K3 surfaced the bug when other models refused, and why "post-LLM self-custody" is coming. Plus: state actor attribution, white hat hackers and the Computer Fraud and Abuse Act, and whether anyone in DC is paying attention. 🔶 Connect with Zack Shapiro on X: 🔶 Connect with Zack Cohen on X: 🔶 Connect with Ken Egan on X: 🔶 Connect with Rob Hamilton on X: 🔶 Learn more about the Bitcoin Policy Institute: Chapters: 0:55 — If You Use a Coldcard, Stop and…
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Analysis last updated August 22, 2026 · Read the methodologyRead the creator’s original video description
What happens when an AI model finds a fatal flaw in Bitcoin's gold-standard hardware wallet? On this emergency episode of The Bitcoin Policy Hour, the BPI team is joined by AnchorWatch CEO Rob Hamilton to break down the Coldcard entropy bug: a weakness in how the device generated seed phrases that let attackers drain over 1,000 BTC from wallets that had never touched the internet. Rob explains who needs to move their funds right now, how Kimi K3 surfaced the bug when other models refused, and why "post-LLM self-custody" is coming. Plus: state actor attribution, white hat hackers and the Computer Fraud and Abuse Act, and whether anyone in DC is paying attention. 🔶 Connect with Zack Shapiro on X: 🔶 Connect with Zack Cohen on X: 🔶 Connect with Ken Egan on X: 🔶 Connect with Rob Hamilton on X: 🔶 Learn more about the Bitcoin Policy Institute: Chapters: 0:55 — If You Use a Coldcard, Stop and Move Your Funds 1:35 — What Went Wrong: The Entropy Flaw Explained 4:45 — Open Source vs. Safety: The AI Policy Questions 10:23 — Can You Still Trust Self-Custody? 11:15 — Kimi K3 Found It When Fable and ChatGPT Wouldn't 13:19 — Custodial Drift and the Case for Bitcoin Vaults 17:06 — The Thefts Begin: 1,000+ BTC on the Move 18:05 — Ken's Take: A Dry Run for Something Bigger? 24:14 — How Deep the Vulnerability Goes 28:19 — Seed Phrases, Sweep Attacks, and Private Mempools 32:20 — White Hats, the CFAA, and Zero Legal Precedent 34:05 — Does DC Even Care? Closing Thoughts #Bitcoin #BitcoinPolicy #Coldcard #ColdcardBug #HardwareWallet #SelfCustody #BitcoinSecurity #Entropy #SeedPhrase #AIPolicy #OpenSourceAI #KimiK3 #LLMSecurity #CyberSecurity #AnchorWatch #Miniscript #BitcoinVaults #CFAA #WhiteHat #StateActor #FreedomTech #BitcoinPolicyHour #BPI #Cryptography #DigitalAssets