According to the Bitcoin Exchange Guide, the L7 Trade Company is suspected to be a Russian encrypted Ponzi scheme. There are many doubts about the L7 Trade Company: 1. Many of the key information provided by the company uses false information. L7 Trade Company claims a 4% return on investment per day. However, investors must invest at least 0.02 BTC to earn revenue; 2. They claim to trade online, but in fact the company does not make any transactions, but just uses this to attract new investors to inject funds into the program; The company claims to offer a package of investment plans, which is not true. What they do is attract customers to invest at least 0.02 bitcoin on a variety of selected digital currencies, and then the company conducts about four fake transactions per day.