Coldcard Wallet Loss Estimate Swells to $70M Amid Galaxy Research Analysis

The estimated loss from the Coldcard wallet incident has risen to $70.2 million after an analysis by Galaxy Research.

Galaxy Research identified 1,196 addresses linked to the Coldcard wallet that lost 1,082.65 Bitcoin in a 41-minute window between 1:10 AM and 1:51 AM UTC on July 30.

This timeline is about 30 hours before Coldcard published its first security advisory.

The identified transactions shared a pattern, including identical 30 satoshis per virtual byte fees and no change outputs.