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Hackers stole 594 BTC ($38 million) from Coldcard Mk3 hardware wallets.

31 Jul, 2026byDropsTab
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About 500 wallets with firmware versions 4.0.1–5.0.3 (since March 2021) were affected—due to a bug, the seed phrases were generated with insufficient randomness, allowing hackers to guess the keys.

Safe wallets include: Mk4, Q, Mk5, wallets with BIP-39 passphrases, as well as multisig and dice-roll seeds.

Continue reading this article on source: blog.coinkite.com