According to surging news, as the "first shot" of the 2020 graduate examination, ideological and political theory has come to an end on the morning of December 21, 2019. Questions on artificial intelligence, blockchain and other topics: On October 24th, the Political Bureau of the CPC Central Committee conducted collective learning on the current status and trends of blockchain technology development. Xi Jinping pointed out during the study that we need to improve the ability to use and manage blockchain technology, so that blockchain technology will play a greater role in building a network power, developing a digital economy, and helping economic and social development. Some experts believe that based on blockchain technology, people can build a network of asset transactions and value transfer between multiple parties without the assistance of intermediaries. By establishing and executing smart contracts, they can promote the maintenance and performance of contractual relationships and rules, and reduce Credit establishment costs and create a good market environment. Then asked "The extension and change of the interpersonal connection realized by the blockchain technology, what are the characteristics of people's real social relations?"