Abstract: Blockchain is one of the most popular technologies today. With its unique trust building mechanism, blockchain has become another major technological innovation after cloud computing, internet of things and big data. It is one of the indispensable technologies for the future development of digital economy and the construction of new trust system. The industrial internet is the product of the deep integration of a new generation of network information technology and the manufacturing industry. It is an important infrastructure for the realization of industrial digitization, networking, and intelligent development. Through the collaborative development of blockchain and industrial internet, the new infrastructure of chain network collaboration is committed to building into a national level distributed and trusted application innovation carrier, providing a unified identity authentication mechanism, a unified object identification mechanism and a unified value exchange mechanism for digital applications, which will reduce the use cost of digital technology, realize the engine role of new infrastructure, and help promote the digital transformation and development of China􀆳s industry.

Key words: blockchain, industrial internet, new infrastructure of chain network, permitted publicly-owned blockchain, identification resolution