Hackers drained 1,082.65 BTC from 1,196 addresses in a 41-minute window on July 30, per blockchain analysis.
Hackers exploited a Coldcard wallet vulnerability, draining 1,082.65 BTC, equivalent to $70.2M, from 1,196 addresses. The theft occurred between 01:10:20 and 01:51:26 UTC on July 30, spanning 41 minutes and multiple blocks.
Blockchain engineers identified the pattern of the exploit, which targeted full wallet balances. The incident highlights ongoing security risks in cryptocurrency storage solutions despite advancements in hardware wallet technology.
The event underscores warnings from industry figures about the limitations of even the most secure storage methods, as vulnerabilities can still emerge in widely used products.