Babbitt reported that on October 30th, the Global Financial Technology DeFi Summit was held in Chengdu. In the speech, the president of the University of Fire Capital, Yu Jianing, said that the core element of the legal digital currency system envisaged by the central bank is “trusted service management module based on regional cloud computing”. There are three main points: “one currency, two banks, three centers”. The underlying infrastructure of the legal digital currency private cloud as a whole supports the operation of legal digital currency. Specifically, “one currency” is a legal digital currency, and “two banks” is a legal digital currency distribution bank, digital currency commercial bank. The library, “three centers” refers to the certification center, registration center, and big data analysis center.