Galaxy Digital’s head of research, Alex Thorn, has warned of a suspected fourth wave of attacks targeting vulnerable Coldcard ...

The flaw has been linked to one of the largest hardware wallet compromises in Bitcoin's history. Initial estimates show ...

Coldcard users urged to migrate funds following an entropy firmware flaw linked to an $88.6M sweep of 4,585 Bitcoin addresses ...

BitGo CEO Mike Belshe posted an Anthropic Bitcoin wallet challenge worth $6.3 million. The 100 BTC has not moved.

A flaw in Coldcard's firmware has put the spotlight on a basic part of wallet security: how the device generates its seed in ...

A Coldcard wallet hack drained $1.6 million in minutes. Here is what the victim and researchers have revealed.

Bitcoin was trading around $62,900 on August 1, against a previous close near $63,235, having spent the week grinding through the low $60,000s. The 52-week range runs from roughly $57,800 to $126,186, ...

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A Coldcard firmware vulnerability exposed nearly 1,200 Bitcoin wallets, with attackers stealing more than $70 million in BTC.

Weak key generation in Coldcard firmware let an attacker drain 594 BTC ($38M) from 500 single-sig wallets. Which Mk3, Mk4, Q and Mk5 seeds are at risk.

Coinkite said it’s likely that an attacker used AI to review previous versions of its open source firmware to uncover a vulnerability.