On October 23, Professor Nie Jin from the School of Information Management of Wuhan University said that the scale of China's e-commerce is continuing to expand and maintain a high-speed growth trend. Due to the virtuality and information asymmetry of e-commerce transactions, security, credit and integrity. It has become a bottleneck problem that has long plagued the development of e-commerce. In her view, these problems have enormous opportunities for the development of blockchain. Professor Nie said in the sharing, blockchain technology is very useful in optimizing the relationship with consumers, solving trust problems, anti-counterfeiting, protecting consumer data and safer payment.