According to the daily economic news report, on August 11, Zhang Kaixiang, chief architect of the blockchain of Weizhong Bank, said that in the banking field, there will be no incidents of user assets being stolen or data being leaked. First, the premise for any business to do business is security compliance. If a technology is used to steal user assets, then it is definitely not needed. Secondly, banks will first use blockchain technology in innovative business scenarios. Many business products themselves are connected to external customers and other partners. They do not use blockchains to have business. Based on the original business. Use some techniques to connect. Finally, the bank customer's data will not be placed on the blockchain. The user data released is a small amount of data that everyone must use after multi-party collaboration, such as account flow. Technology can guarantee user privacy, but user privacy is defined differently in different scenarios.