According to Xinhua.com, Li Lihui, the leader of the Blockchain Research Working Group of the China Internet Finance Association and the former President of the Bank of China, said in an interview with the "Vernacular Finance" column that the virtual currency represented by bitcoin is too speculative Therefore, it is doomed to become a popular or payment instrument that can enter the life of public society, or a so-called currency form. Because of such problems as virtual currencies, including bitcoin, there have been some speculations and speculations about virtual currencies around the world, including China. In this regard, it is considered that strengthening supervision is very necessary. In the development and application of any new technology, its own security needs attention. In addition, any new concept may be hyped and requires our special attention to maintain the healthy and sustainable development of new technologies.