- In July, hackers stole more than $247 million worth of cryptocurrency.
- This is the second worst indicator in 2026.
- Coldcard wallet users suffered the biggest losses in July.
According to the DefiLlama platform , hackers stole more than $247 million worth of cryptocurrency in July 2026. This is the second-highest figure since the beginning of the year. April has been the largest loss month, with losses of $644 million. By comparison, hackers stole nearly $75 million worth of digital assets in June, and approximately $60 million in May.
Source: DefiLlama
July's disappointing results were largely due to several Coldcard hardware wallet exploits. According to Galaxy Digital, users lost over $130 million. The company's analysts identified and confirmed three Coldcard attacks, and they also detected a fourth wave, but have not yet been able to definitively confirm it. According to the hack tracker DefiLlama , hackers stole approximately $115 million from Coldcard owners.
July showed that even cold storage doesn't eliminate technological risks that could simultaneously put thousands of wallets at risk, CryptoRank stated .
However, the Coldcard attacks weren't the only notable events in July. Last month saw a $9 million hack of the DeFi protocol Bonzo Lend, a $2,6 million theft from the Cardano- based SecondFi wallet, a $24 million theft from the Arbitrum -based AFX exchange , and a $7,5 million theft through the Verus Ethereum Bridge.
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