On April 8th, the People’s Daily published the article "Personal Data Usage, Expecting More Standardization". Recently, the National Internet Information Office released the first batch of domestic blockchain information service filing lists, covering finance, logistics, communications, agriculture, and education. 164 companies in other industries. It can be seen that the management department has begun to find out the main situation of the market and take an important step in regulating Internet information services. It is very important for you and me to let the "blockchain" develop healthily. After the data is introduced into the blockchain technology, the stored transaction information is public, but the account identity information is highly encrypted and can only be accessed if the data owner authorizes, and the data security is greatly improved.