According to Wu Shuo, lawyer Liu Yang pointed out that using virtual currency to exchange foreign currency is already a well-known "secret". Recent cases show that if the investigative agency finds that U merchants are involved in foreign exchange, they will focus on investigating illegal foreign exchange transactions and ultimately investigate the entire exchange chain. The standard of evidence is constantly decreasing in practice. From the perspective of criminal jurisdiction, as long as the exchanger has domestic transfers, even if the person is not in the country, the country still has jurisdiction. People in the entire exchange chain may face criminal prosecution, even if there is no profit.