Coldcard Failure Exposes the Limits of Passive Self-Custody
On August 4, 2026, Galaxy Grid featured a panel examining a reported Coldcard key-generation failure and the thefts linked to vulnerable Bitcoin wallets.
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Coldcard
AI Security Pressure Tests Bitcoin’s Custody and Governance Systems
On August 5, 2026, BTC Sessions Bitcast convened Ben, Nathan, Joey, and Brandon to argue that AI-assisted attacks and vulnerability discovery are pressuring Bitcoin’s custody, service, and governance layers at once.
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40 bits: what the Coldcard failure reveals about trust in Bitcoin self-custody
What we know now: on July 31, 2026, an attacker swept roughly 594 BTC – about USD $38 million – from approximately 500 single-signature Bitcoin Coldcard wallets.
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