Application of ‘Blockchain Plus Public Health’
Jiaqi Ma · China CDC Weekly · 2020
On October 25, 2019, senior Chinese officials conveyed the significance of blockchain to all sectors of society through the 18 th Collective Study of the Political Bureau of the Central Committee of the Communist Party of China.Blockchain is the distributed ledger that maintains a growing list of chronological blocks linked by cryptographic techniques.It is a combined innovation of peer-to-peer networks, cryptography, consensus protocols, smart contracts, etc., which offers tamper-resistance and traceability characteristics to solve trust issues (1-2).Since blockchain is a promising technical infrastructure to promote the upgrading of strategic sectors, and industries are actively seeking to understand and apply it.'Blockchain + Public Health' has also been recognized as a vital research direction.To regulate blockchain application, the Cyberspace Administration of China issued the Regulations on the Management of Blockchain Information Services on January 10, 2019 that came into effect on February 15, 2019 (3).Based on the application scenario, blockchain systems can be classified as public, consortium, or private systems.