Hackers steal over $130 million by exploiting bug in offline hardware wallets

Lorenzo Franceschi-Bicchierai· Aug 4, 2026 · 4:27 PM UTC ·3 min read · 0 reactions · 0 comments · 6 views

#hackers #steal #million #exploiting #offline

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Key facts

▪Hackers are in the midst of a massive theft of cryptocurrency from supposedly secure offline hardware wallets, according to blockchain security firms monitoring the heists.
▪At least a dozen different hackers are said to be targeting Bitcoin owners who use the hardware crypto wallet Coldcard, made by Coinkite.
▪At this point, it’s unclear who is behind the digital robberies, and it appears like there’s more than one group of hackers, according to Galaxy Research.

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TechCrunch · Lorenzo Franceschi-Bicchierai

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Original publisher	TechCrunch
Canonical URL	https://techcrunch.com/2026/08/04/hackers-steal-over-130-million-by-exploiting-bug-in-offline-hardware-wallets/
Publication time	Tue, 04 Aug 2026 16:27:59 +0000
Retrieval time	2026-08-04T16:30:47.221Z
Last seen	2026-08-04T16:30:47.221Z
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Opening excerpt (first ~120 words) tap to expand

Hackers are in the midst of a massive theft of cryptocurrency from supposedly secure offline hardware wallets, according to blockchain security firms monitoring the heists. At least a dozen different hackers are said to be targeting Bitcoin owners who use the hardware crypto wallet Coldcard, made by Coinkite. At this point, it’s unclear who is behind the digital robberies, and it appears like there’s more than one group of hackers, according to Galaxy Research. As of Tuesday, the research firm said the hackers have stolen around $130 million. Tom Robinson, the co-founder and chief scientist of crypto monitoring firm Elliptic, told TechCrunch that the estimate is roughly correct. This is the latest effort to steal large amounts of people’s cryptocurrency.

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