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Coinkite warns Coldcard Mk3 users after $38M Bitcoin stolen from dormant wallets.

Market News
30 Jul 2026
Bitcoin
View Source
Bearish
pluang ai news

Coinkite issued a security advisory for Coldcard Mk3 hardware wallet users after reports that about 594 BTC, worth nearly $38 million, were moved from roughly 500 dormant wallets. The affected firmware versions range from 4.0.1 to 5.0.3, and the company is investigating the cause, which may involve weak randomness in seed generation rather than a supply chain hack. Users without a BIP-39 passphrase are advised to migrate their funds cautiously, while those with passphrases face lower risk. Coinkite is continuing its investigation and will provide more technical details soon.

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