CoinDesk·4 min read·medium
Major bitcoin wallet flaw drains 594 BTC in 25-minute sweep
S
Shaurya Malwa
✦AI Summary
A critical firmware flaw in Coldcard hardware wallets allowed attackers to predict private keys by bypassing the device's hardware random number generator. This vulnerability, which affected specific models since 2021, resulted in the theft of 594 BTC from dormant, single-signature wallets.
The theft moved 1,324 chunks of bitcoin across 500 transactions inside a three-block window, with 562 BTC then consolidated into a single address that has not moved.
technologycryptobusiness
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