Coldcard Exploit Steals $130M Bitcoin | Business and Finance News

A massive $130 million Bitcoin heist exposed a critical flaw in Coldcard hardware wallets—a firmware bug dating back to March 2021 that weakened private key generation. Over 5,000 addresses were drained across multiple waves, totaling nearly 1,600 BTC. Yet amid the chaos, self-custody proved resilient: hundreds of thousands of BTC were moved to safer havens like exchanges or multi-sig wallets as users reacted swiftly. Coinkite now urges owners of seed phrases generated between March 2021 and July 2026 to immediately migrate funds to new, secure setups. Listen in comfort:Get a discount on a Soli Pillow: http://solipillow.com/discount/dnn. Advertise on DNN:[email protected] This is an automated, high-level news summary based on public reporting.Report issues to [email protected]. View sources & latest updates:https://sources.thednn.ai/a1b1306a4902292c