Recently, China Banking Insurance official micro-release information shows that the first insurance industry industry-level blockchain, which is jointly built by China Banking Insurance and some insurance companies, is the “China Banking Insurance Industry Information Alliance Chain” (hereinafter referred to as “the alliance chain”). The application has been implemented in business scenarios such as the electronic policy hosting platform, and has achieved positive results. As of the end of September 2019, China Banking Insurance Co., Ltd. has cooperated with a number of insurance companies in electronic policy management, and has accumulated more than 4 million electronic insurance policies. Since the beginning of this year, it has added more than 300,000 new trusts. At present, there are several insurance companies that are coordinating testing and preparing to join the “chain of alliances”. Remarks: The "chain of alliances" mainly relies on the blockchain technology based on HyperLedger's fabric, and uses distributed storage of shared books in alliance members.