CertiK stories

Jul 22, 2026

Crypto 'Wrench Attacks' Rise to 52 Cases in First Half of 2026, With $124.1 Million in Recorded Financial Exposure

Blockchain security firm CertiK recorded 52 verified physical attacks on cryptocurrency holders in the first half of 2026, a 33.3% increase from 39 incidents a year earlier. Recorded financial exposure, including ransom demands and stolen funds, rose to $124.1 million from $10.5 million.

Jul 22, 2026·8 sources

May 30, 2026

BY Token Loses $88.4K in BSC Exploit Amid Surge in DeFi Hacks

The BY token project suffered an $88,400 loss through a Binance Smart Chain exploit targeting vulnerable contract logic, occurring during what security firm CertiK identified as the worst month for DeFi exploits in four years with attacks on 27 out of 30 days in April 2026.

May 30, 2026·2 sources

Top claims

▪Web3 lost $1.31 billion during the first half of 2026, with wallet compromises overtaking smart contract exploits as the largest source of losses for the first time.
▪Europe accounted for 39 of the 52 verified crypto wrench attacks in the first half of 2026, with France alone recording 33 of those incidents.
▪CertiK advises crypto holders to limit public information on platforms like X, LinkedIn, and Discord that connects their identity, location, or daily routine to their cryptocurrency holdings.

Topics

Crypto Crypto crime Bitcoin security & risks Smart contract vulnerabilities Blockchains & Networks

DeFi protocol exploits

DeFi security

DeFi

DeFi exploit

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