"Blockchain", "Bitcoin" and other virtual currency buzzwords, some criminals see "business opportunities" among them, using the "virtual currency" investment concept to implement fraud. Within a month, Tan's couple in Xingtan Town, Shunde District were induced by high-yield returns, fell into a virtual currency trap, and were deceived by nearly 300,000 yuan. It is reported that Ms. Chen downloaded two virtual currency investment apps and was also drawn to the WeChat investment group. In the APP, there are different levels of "investment projects" with a period of 1 to 7 days, and the maximum return is 14%. The USDT virtual currency will be returned to the matured return. Ms. Chen spent a total of more than 170,000 yuan. When the investment plan expired, Ms. Chen found that the APP could not be withdrawn. After consulting the owner of the WeChat group, she learned that it was necessary to recharge 400,000 yuan to withdraw. Ms. Chen was found to be deceived. At this time, Mr. Tan had lost more than 110,000 yuan on the app, and then the couple called the police for help.