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Major bitcoin wallet flaw drains 594 BTC in 25-minute sweep

coindesk
coindesk|Jul 31, 2026 05:15
A hardware wallet randomness bug turned “impossible to guess” seeds into guessable ones, and $38 million is already gone.(Coindesk)
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Jul 31, 11:40Bitcoin stolen from Coldcard user
Jul 31, 09:55Coldcard wallet suffered a theft of funds due to insufficient randomness
Jul 31, 06:50Coldcard wallet vulnerability leads to $38 million in Bitcoin being stolen
Jul 31, 03:43Coinkite warns Coldcard Mk3 users of fund risks
Jul 31, 00:03Coldcard Mk3 wallet has a seed generation vulnerability
Jul 30, 22:02Wanchain Cardano cross-chain bridge attacked
Jul 30, 19:18Some Bitcoin wallets were hacked, and funds are moving abnormally.
Jul 30, 00:45Ostium was attacked, forging prices to arbitrage 23.75 million USDC
Jul 28, 19:03In the first half of 2026, crypto hackers stole over $1 billion.
Jul 28, 11:35Cryptocurrency exchange hides stolen cryptocurrency

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