Hackers have exploited a vulnerability in Coldcard hardware wallets, stealing over $130 million in cryptocurrency, with multiple groups involved, according to Galaxy Research.
A 2021 seed phrase code flaw in Coldcard wallets made them predictable; $130M stolen from Bitcoin users via brute-force. Cold-storage security undermined; CIOs must audit wallet vendors and rethink custody strategy beyond trusting offline design.
The attacks have mainly targeted Bitcoin users
Aug 05, 2026
10:37 am
What's the storyA group of hackers has exploited a vulnerability in offline hardware wallets, stealing over $130 million in cryptocurrency, according to Galaxy Research.
The attacks have mainly targeted Bitcoin users using the Coldcard wallet by Coinkite.
Hackers steal over $130 million by exploiting bug in offline hardware wallets | TechCrunch
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Hackers exploited a Coldcard software flaw to steal $86 million in Bitcoin from over 4,500 cold wallets, raising fresh concerns…
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Hackers exploited a software flaw in Coldcard Bitcoin wallets, causing significant financial losses. This vulnerability affected…
Hackers exploit a flaw in Coldcard wallets, draining $86 million in Bitcoin from over 4,500 accounts in an ongoing attack.
