According to Cyvers Alerts, the DeltaPrime hacker, an ARB on-chain DeFi project, has bridged all the stolen funds to the Ethereum network and deposited them into Tornado Cash. Previously, DeltaPrime is suspected to have been attacked, and the administrator seems to have lost the private key. So far, the total loss is expected to be about $4.50 million, and the attack is still ongoing, and the total loss may increase.