Cronos Blockchain Restarts After Tectonic Exploit, Reverting to Pre-Attack State

Cronos, a Layer 1 blockchain associated with Crypto.com, announced on Monday that it has resumed block production after rolling back its network state to a point before a significant exploit of the Tectonic lending protocol. The rollback, which occurred at block 90,896,189, effectively erased nearly two hours of transactions, including trades and liquidations that took place during that time. The decision was made as an emergency measure to protect users from the exploit that drained approximately $6.29 million from Tectonic.

The exploit, which took place on August 30, resulted in the manipulation of the TONIC token's price, leading to substantial losses for users. An analysis by on-chain investigator MASTR indicated that the total outflow from Tectonic could be as high as $119.5 million when accounting for assets controlled by the attacker prior to the incident. The attacker had already moved a portion of the funds to Ethereum, which remains unaffected by the rollback.

Following the incident, Cronos has not provided details on the transactions that were reversed or how it plans to address the losses incurred by users. The network's official communications noted that some protocols and services may take longer to recover, and as of the latest updates, several public infrastructure endpoints were still reflecting the abandoned fork of the chain. Meanwhile, the market values of CRO and TONIC have seen significant declines, with CRO down 7.9% and TONIC down 44.8% following the exploit.

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Source: KLEA News