2026-11-12 15:04:10
Coldcard Firmware Flaw Leads to Loss of 1,816 BTC from Over 5,200 Addresses Between July 30-Aug 4
According to Bitcoin News, Coldcard firmware versions 4.1 and later contained a flaw that bypassed the hardware's random number generator, resulting in losses of 1,816 BTC (approximately $116 million) across over 5,200 addresses between July 30 and August 4. Coinkite CEO Rodolfo Novak stated the vul