SECURITYJul 31 · 15:22 UTCBITCOIN MAGAZINEMathew Di Salvo

Coldcard Wallet Flaw Exposes Years of Bitcoin Seeds After $70M in BTC Stolen

A firmware bug in Coldcard Wallet's Mk3 model caused weak entropy in seed generation, leading to predictable private keys and the theft of over $70 million in Bitcoin. Coinkite advised users of affected models (Mk3, Mk4, Mk5, Q) to move funds after hackers exploited the vulnerability to drain multiple addresses.

Nexus surfaces and summarizes. The full story lives at the source.

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CoinkiteorganizationColdcard WalletproductBitcoincurrencyColdcard Mk3productColdcard MK4productColdCard MK5productColdcard QproductBitcoin Magazineorganization

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