The Coldcard exploit, which caused over $100 million in losses, pushed July cryptocurrency thefts to $247.4 million, making it the second-worst month of 2026. April remains the worst month with $644 million stolen. July losses were more than triple the $75 million stolen in June and the $60 million stolen in May. At least $100 million in Bitcoin was stolen from 7,300 wallets across three confirmed attack waves, with a suspected fourth wave bringing total losses to approximately $130 million according to Galaxy Digital. Other notable July exploits include a $9 million hack against DeFi protocol Bonzo Lend and $24 million stolen from perpetual exchange AFX.
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