According to the Titanium media news, at the 2019 Titanium Media ITValue Global Digital Value Summit, Yao Huiya, head of the Innovation Products Department of Weizhong Bank, specifically listed the innovation cases of Weizhong Bank in the blockchain application. He introduced that the blockchain is applied in the business scenarios of arbitration institutions and courts, and the judicial alliance chain has a very direct application effect. Yao Huiya also mentioned that modern legal legislation has more and more requirements for privacy protection and data security. How to protect user privacy? Weizhong Bank used the method of alliance learning in machine learning to realize trusted data exchange by building a blockchain platform.