SecuritySilicon Canalsabout 1 hour ago
Coldcard flaw drains $70M in Bitcoin
7 min read
On 30 July, 1,082.65 BTC worth roughly $70 million drained from 1,196 Coldcard hardware wallets in 41 minutes due to a firmware bug that weakened seed randomness. Galaxy Research traced the theft; losses later exceeded $130 million. Multisignature setups and dice rolls protected users.
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