On October 28th, the People’s Daily official microblog published nine Tupu blockchains today. The characteristics of the blockchain include: security, non-tamperability, accessibility, and no third party. The impact of the blockchain on the future: 1. No need for cumbersome personal proof; 2. Avoiding repeated inspections by medical treatment; 3. More convenient travel and consumption; 4. No third party for transactions; 5. Traceable source of goods; 6. More effective protection of copyright . At the same time, it is emphasized that the blockchain is not equal to bitcoin. Bitcoin is only one application of blockchain technology. The blockchain also has many application fields such as medical and health, food safety and copyright protection.