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Coldcard Mk3 flaw: 594 bitcoins stolen in 25 minutes

A flaw in the Coldcard Mk3's seed generation allowed the theft of 594 BTC ($38M).

Published 7sem2 sourcesConfirmedImportantupdated 2sem
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The fact

Coinkite warns about this vulnerability affecting a popular hardware wallet.

Users are urged to check their funds and migrate to secure versions.

2 sources — click a link to read an article on the topic:

Why it matters

Cette faille met en lumière les risques de sécurité des portefeuilles matériels, essentiels pour la protection des actifs cryptographiques. Un vol de cette ampleur (38 M$) peut ébranler la confiance des investisseurs dans les solutions de stockage froid.

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Auto-synthesis from 2 media sources · identified on July 31, 2026
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