[$50 Million Address Poisoning Attack Proceeds Exchanged to ETH and Deposited into Tornado Cash] The scammer who profited $50 million USDT through the 'transaction history poisoning attack' began transferring assets within 30 minutes of receiving the funds. The scammer first exchanged $50 million USDT for DAI via MetaMask Swap, then converted all DAI into 16,690 ETH, and finally deposited all the funds into the mixing service Tornado Cash.