Ponzi scheme is the name of investment fraud in the financial field, the originator of pyramid schemes, and is used by many illegal pyramid schemes to collect money. This scam was invented by a speculator named Charles Ponzi. Ponzi scheme is also called "robbing Peter to pay Paul" and "empty gloves and white wolves" in China. In short, it is to use the money of new investors to pay interest and short-term returns to old investors, so as to create the illusion of making money and then defraud more investment.