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Coldcard hardware wallet
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[TECHNOLOGY]
Coldcard flaw fuels $88M Bitcoin theft
3 clusters · 71 sources · last updated
Latest: Coldcard Flaw Sparks $88 Million Bitcoin Theft from 4,585 Wallets
The March 2021 firmware update for Coldcard hardware wallets (Mk2‑Mk5 and Q) reduced seed‑phrase entropy, making private keys mathematically predictable. Galaxy Research traced three coordinated attack waves that have si