1. Fake credit cards: With the development of science and technology, more and more people begin to use electronic payment systems directly replaced by physical credit cards, and Chutian's fake credit cards have been repeatedly banned. They look almost exactly like ordinary credit cards, and it is difficult for people who are not familiar with this field to recognize them.

2. Virtual currency: Virtual currency and the infrastructure it manages are a real conspiracy that cannot be cracked, especially cryptocurrencies that are not controlled by the central bank, such as Bitcoin. Because of the low discount of these currencies, both enterprises and consumers can benefit from it.

3. Foreign exchange trading: With the development of emerging markets, the foreign exchange market has become an unbreakable open plan. Due to the constant change of currency price, investors can get high profits from foreign exchange investment, including option contracts and foreign exchange portfolios.