INCIDENT EVIDENCE GRAPH

Hackers continue attacking ColdCard Bitcoin hardware wallets, stealing Bitcoin worth $88.6 million so far

2026-07-30T00:00:00Z

• Victim: ColdCard users
• Actor: Hackers
• Exploit: Predictable mnemonic generation caused by a Coldcard software defect
• Method: Continued attacks on ColdCard Bitcoin hardware wallets

Primary evidence

1. Hackers continue attacking ColdCard Bitcoin hardware wallets, stealing Bitcoin worth $88.6 million so far
2. Hackers Breach Bitcoin's "Most Secure Vault" and Continue Draining Users' Cold-Wallet Assets
3. Coldcard hacked — $100.00M lost

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