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Coldcard issues Mk3 warning as $38M Bitcoin wallet drain draws expert scrutiny

Hardware wallet security is under examination across the Bitcoin custody sector. Coinkite, the maker of the Coldcard signing device, has urged all Mk3 model users to migrate their funds after identifying a potential risk in seed…

By Harlan Prescott·July 31, 2026·二〇二六年七月三十一日·2 min read

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cointelegraph.com

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