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Bitcoin Coldcard Hack Explained: 2026 Entropy Failure
Season 2
Episode 2
Published 17 hours ago
Description
In July 2026, over 1,300 BTC (~$80M) was drained from 4,500+ Coldcard wallets due to a five-year firmware bug that silently reduced seed entropy to ~40 bits. Learn why dice-roll users stayed safe, how the flaw worked, and what affected holders must do now.
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