Beijing Chainan Chainsmap monitoring system found that at 17:14 Beijing time on February 11, several consecutive transfers of PlusToken money laundering addresses occurred, involving 12,423 bitcoins, but they are still in the parallel transfer stage and have not yet entered the exchange. According to SXWK, a data analyst at Beijing Chain Security, currently the relevant bitcoin is still in the parallel address transfer stage. According to the previous money-laundering strategy of PlusToken, hundreds of UTXO splits will usually be performed after parallel transfers, as well as continuous split and merge, Inflow to the exchange. Different from the previous strategy, money launderers usually used 3,000 to 4,000 units of BTC for money laundering. In this transfer, nearly 12,000 BTC direct accounts were transferred. We will pay more attention to their follow-up trends and have notified about possible inflows BTC's institutional precautions.