Coldcard
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Major Security Vulnerability Hits Coldcard Wallets; $70M in Bitcoin Drained
A critical firmware bug in Coldcard hardware wallets has led to over $70 million in Bitcoin thefts, forcing an urgent security warning for global users.
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Coldcard Hardware Wallet Security Breach Leads to $40 Million Bitcoin Theft
A security flaw in Coldcard hardware wallets allowed attackers to steal 594 BTC, prompting urgent calls for users to migrate funds to new, secure wallets.