Coldcard Hardware Wallet Flaw Linked to $70 Million Bitcoin Theft in 41 Minutes
- ID
- 10019
- Status
- summarized
- Published
- 02 Aug 2026, 1:17 AM
- Fetched
- 02 Aug 2026, 2:21 AM
- Provider
- The Hacker News
- Category
- security
- Original URL
- https://thehackernews.com/2026/08/coldcard-hardware-wallet-flaw-linked-to.html
- Source URL
- https://feeds.feedburner.com/TheHackersNews
Excerpt
An attacker drained 1,196 Bitcoin addresses in 41 minutes on July 30, taking 1,082.65 BTC worth about $70.2 million at the time. Galaxy Research mapped the sweep and tied it to a firmware flaw in Coldcard, the Bitcoin-only hardware wallet made by Canadian firm Coinkite. A March 2021 firmware integration error routed seed generation to a deterministic software pseudorandom number generator (PRNG
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