July was the second-worst month of 2026 for cryptocurrency thefts, with losses reaching $247 million, largely due to the Coldcard exploit.

The Coldcard hardware wallet hack has grown to $116 million across four waves, with Galaxy Research tracking sweep rates 45x above baseline.

A security vulnerability in the cryptocurrency hardware wallet Coldcard is allowing hackers to drain the crypto from victims’ wallets. The total losses amount to more than $130…