According to the official account of Ye Xiang Min'an, the Xiamen Police Xiang'an Branch joined forces with relevant police to destroy an underground banking gang that used four-way payment money laundering to withdraw cash. The gang traveled to many places across the country, advertising through chat software to find "money laundering" demand gangs, and using virtual currency to cash out, knock and other forms to provide illegal fund payment and settlement services for overseas criminal gangs. The amount involved is huge. At present, 9 suspects have been taken criminal compulsory measures according to law for suspected illegal business operations and helping information network criminal activities. The case is under further investigation.