The security team has also confirmed that it “has got the attacker’s mailbox, IP and device fingerprints through on-chain and off-chain tracking.” The details of the attack are as follows, according to SlowMist: “The core of this attack is that the verifyHeaderAndExecuteTx function of the EthCrossChainManager contract can execute specific cross-chain transactions through the _executeCrossChainTx function,” SlowMist explains.

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