According to the "Guizhou Daily" reported on May 28, in the high-end dialogue of the "blockchain: the cornerstone of digital civilization" in Guiyang Digital Expo, said Du Gang, deputy director of the Digital Money Institute of the People's Bank of China, based on blockchain Trade finance can break the business pain points of existing banking services. The blockchain can organically link all the chains of the banking business, turning the manual calculation into machine computing, and the speed is self-evident.