<b>Coldcard Attack Skyrockets Past $90 Million</b>

The estimated losses from the Coldcard attack have climbed to $90 million, with over 1,367 BTC drained from more than 4,500 wallets.

The attack started as a warning but has become one of the most serious hardware wallet security incidents in Bitcoin's history. Over the past three days, Coldcard devices running vulnerable firmware have been drained by attackers who discovered a critical flaw.

The seed phrases generated by affected devices had lower entropy than intended, making them predictable and exploitable. The damage has reached an estimated $90 million stolen from over 4,500 wallets, with over 1,367 BTC drained across multiple coordinated waves of attacks.