Coldcard Firmware Flaw Lets Hackers Steal $70 Million in Bitcoin From 1,196 Addresses

Blockchain analysts have linked a rapid series of Bitcoin wallet drains to a reported vulnerability in Coldcard firmware. A total of 1,196 addresses lost a combined 1,082.65 BTC, valued at approximately $70.2 million, in just 41 minutes on July 30, 2026. Galaxy Research stated that its transaction-flow analysis was based on a pattern initially identified […]

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