Hackers exploit a flaw in Coldcard wallets, draining $86 million in Bitcoin from over 4,500 accounts in an ongoing attack.

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

Coinkite disclosed a Coldcard firmware flaw dating to 2021 that let an attacker drain 594 BTC worth $38M from nearly 500 wallets in under 30

Over $70 million in Bitcoin has been pinched. Coldcard has since urged its users to take precautions.