On November 29th, the People's Political Consultative Conference published a paper "How to practice blockchain in China? ". The article points out that blockchain is a good technology for governments and regulators. If you want to apply a certain rule, such as poverty alleviation, without any compromise, it is a good technology At the center is the designer of this rule. So it is wrong to say that the blockchain has no center. In today's blockchain technology, first the rule designer is his center, and then it is possible to design some super nodes, and the regulatory agency or the country can have some verification rights.