AI Summary

A significant security breach involving a Bitcoin-only hardware wallet has been linked to a firmware flaw. The incident, which occurred on July 30, resulted in the theft of approximately $70.2 million worth of Bitcoin. The breach was attributed to a deterministic software flaw in the Coldcard wallet, which is manufactured by Canadian firm Coinkite. This flaw was reportedly introduced in a firmware integration error in March 2021. The vulnerability allowed an attacker to drain 1,196 Bitcoin addresses in a span of 41 minutes. The swift and substantial nature of the breach highlights the potential risks associated with hardware wallet security. The incident serves as a reminder for users to stay vigilant and ensure that their wallets are properly secured and updated to prevent similar vulnerabilities.

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