Zm is money laundering. Because "202 1 White Paper on Cybercrime Prosecution" (with typical cases) issued by Shanghai Procuratorate clearly points out that zm software has violated the law and is suspected of money laundering, which has been dealt with according to law. Money laundering is an act of legalizing illegal income, which mainly refers to legalizing illegal income and its income through various means to conceal its source and nature.