Critical Firmware Exploit Triggers $89M Bitcoin Drain Across 4,500 Coldcard Wallets

5 hours ago 1 minute read 1 comment RodrigoCalabar $0.04

In one of the most severe hardware security incidents in recent memory, a legacy vulnerability dating back to 2021 has led to a massive, multi-wave drain of Coldcard hardware wallets, leaving the Bitcoin community reeling. Initial reports estimated...