According to ChainCatcher news from the Yixiang Min'an public account, the Xiamen police Xiang'an branch, in conjunction with relevant police units, dismantled an underground money laundering gang that used Sifang payment for cash withdrawal. This gang operated in multiple locations across the country, advertising through chat software to find groups in need of "money laundering." They provided illegal fund payment and settlement services to overseas criminal groups through methods such as cashing out virtual currencies and matched betting, involving a huge amount of money.Currently, 9 criminal suspects have been subjected to criminal coercive measures for suspected illegal business operations and assisting information network criminal activities, and the case is under further investigation.