# Coldcard Wallet Flaw Enables $70 Million Bitcoin Theft in 41 Minutes

A critical vulnerability in Coldcard hardware wallets was exploited to steal approximately $70 million in Bitcoin within 41 minutes. The attack highlights the risks of relying on hardware wallet security, prompting urgent user action to secure affected funds.

**Importance:** 4/5

## Sources

### Security
- [The Hacker News](https://thehackernews.com/2026/08/coldcard-hardware-wallet-flaw-linked-to.html) — Sat, 01 Aug 2026 22:47:22 +0530

### Business
- [Fox News Business](https://www.foxbusiness.com/fox-news-tech/coldcard-wallet-attack-drains-up-89m-bitcoin-from-1200-addresses) — Mon, 03 Aug 2026 00:42:13 GMT