According to China Financial Information Network, on April 10th, "2019 China International Blockchain Technology and Application Conference" was held in Shenzhen. Zhang Yuming, the person in charge of the blockchain of China Merchants Bank, said at the scene that the goal of opening the license chain is an ecological platform for business users. It is a credible environment and does not require the construction of a chain. There is a complete application ecology. . All businesses in the business that need to be related to the chain can get services on the chain and reduce the demand across the chain.