The upgraded version is based on ChainMaker, China’s homegrown blockchain system. ChainMaker realized self-supporting from the basic architecture of the system to its core algorithm, which ensures a safe and orderly circulation of government and social data.
The developers of ChainMaker said that the response speed of its data query reaches a millisecond level. In terms of security, the framework, technical architecture, and core components of the upgraded version are all independently developed. Multiple security technologies are adopted to ensure system and data security.
According to the Beijing Big Data Center, the data directory blockchain is a vital part of a big-data action plan launched by the city and first went online in April 2019.
After operating for over three years, it integrates data directories from more than 80 government departments in Beijing, 16 districts, and more than ten social institutes. More