The US budget deficit in September was $ 61.5 billion.

On October 22, according to information from the Kunming Social Credit System Development Working Group, the "Kunyi Chain" blockchain service platform sponsored by the Kunming City Service Administration became the first public utility in China. The on-chain trading platform provides support to create a bright and transparent trading environment. "Kunyi Chain" breaks existing solutions and design standards such as chain protection, chain protection and chain protection proof, and support for standard blocks of design layers as lowest standard of the whole process designed to control chain chains, node control and the main role of blockchain, such as control, approval mechanism, smart contract and regional connection, useful for the collection and analysis of business data, sensitive data, operational data and credit database information. (Daily Kunming)