According to the China Business Daily, Wu Tong, deputy director of the CECBC Blockchain Special Committee of the Ministry of Commerce and dean of the Digital Economy Business School, told reporters that 2020 will be the decisive year for the industrial blockchain to land. Bottlenecks and scenarios are not enough, and more importantly, the lack of infrastructure and limited integration with other technologies. "The next step in the development of blockchain will be along these four dimensions, and truly move towards the industrial blockchain." Wu Tong also expressed his expectations for the combination of encryption technology and zero-knowledge proof, etc. He believes that "solving data sharing and The contradiction between privacy protection is an urgent problem for the blockchain. Combining encryption technology with zero-knowledge proof is an important direction. "