Attackers drained 594 BTC from Coldcard users, consolidating 562 BTC into a single address amid security concerns.
A hacker stole over 594 BTC, valued at $38 million, from users of Coldcard Bitcoin hardware wallets. The attacker subsequently moved the funds and consolidated 562 BTC into one address, raising alarms about wallet security.
Coldcard users are advised to review the company’s latest security guidance following the breach. The incident highlights vulnerabilities in hardware wallet protections, though no prior large-scale thefts of this nature have been reported for Coldcard.
The stolen funds remain traceable on the blockchain, but recovery efforts are uncertain. Market reaction to the breach has been muted so far.