Wu said that according to Arkham monitoring, the giant whale: 0x56... 59dF spent 9.862 million USDT and DAI on January 27th and 28th to purchase 4.88 million VIRTUAL through Cow Swap, and sold them all to 538.4 USDC on the evening of February 10th at 23:22-27 UTC+8, resulting in a net loss of 4.478 million USD.