SecurityCointelegraphabout 1 hour ago
Coldcard strengthens seed generation with firmware update
1 min read
Coinkite released firmware 5.6.1 for Coldcard Mk4 and Mk5 and 1.5.1Q for Coldcard Q, requiring user-supplied entropy via keypresses, dice rolls, or coin flips for new seeds. Existing seeds remain vulnerable and must be replaced. Confirmed losses reached 1,778 BTC, about $112 million.
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