Coldcard Hardware Wallet Flaw Linked to $70 Million Bitcoin Theft in 41 Minutes
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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
1Key Takeaways
- 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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3Why it matters
Tool launches and updates shape which workflows teams adopt and which vendors gain traction. The Hacker News reports that 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.
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