According to People's Daily Online, the French economist Philippe Simonnot said that there are some new things, such as Bitcoin and Libra, which are "Facebook". Although these two digital currencies have many disadvantages, such as bits. The value of the currency fluctuates greatly, Libra has the nature of private currency, etc., but their emergence is a manifestation of the chaos of today's monetary system, reflecting people's distrust of this system, and the more simple, healthy and free from political uncertainty. The huge demand for international currency. These digital currencies have brought new enlightenment and challenges to the globalization of the renminbi and the reform and management of the future monetary system. It is necessary to strengthen discussion and research in Europe, the Middle East and the world.