Wire · technology
Hackers steal over $130M by exploiting bug in offline hardware wallets
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Fusion42 · 5 August 2026 · Fusion42 review
Hackers exploited a flaw in Coldcard offline hardware wallets to steal over $130 million in cryptocurrency by predicting users' seed phrases, despite the wallets being designed as a secure cold storage solution.
This Wire brief sits within Fusion42's coverage of Crypto & Web3, Cybersecurity and Security Infrastructure, and 4 sources have reported it between 2 Aug 2026 and 5 Aug 2026.
◆ ◆ The Wire takeaway
Crypto founders relying on Coldcard wallets face an urgent need to update their devices and migrate seed phrases to avoid theft from a critical security flaw. Your secure storage just became vulnerable through predictable code, making wallet migration urgent this week.
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4 sources · first reported 2 Aug 2026 · latest 5 Aug 2026
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