Cronos Validators Contain $75M Exploit by Erasing Transaction History

Cronos validators took drastic action to contain a massive exploit on the Tectonic lending protocol, erasing transaction history and restarting the network.

The incident occurred on August 30 when Tectonic announced an exploit, urging users not to interact with the protocol until further notice. Onchain researcher Weilin Li attributed the attack to manipulation of TONIC, Tectonic's governance token, which was used as collateral to borrow other assets.

Li estimated that approximately $75 million was affected, with about $6 million bridged to Ethereum before Cronos halted block production. The network did not disclose how this rollback would affect transactions submitted during the discarded period.

Crypto.com CEO Kris Marszalek confirmed that their app and exchange were unaffected and operating normally, but noted that this assurance applied only to Crypto.com's services, not Tectonic depositors.