The National Information Center, China Mobile Communications Corporation, and China UnionPay jointly announced in Beijing that the blockchain service network (BSN) jointly designed and constructed by six specific units was officially released. BSN is top-level planning by the National Information Center. China UnionPay and China Mobile use independent blockchain technology and existing network resources and data centers for independent research and development and successful deployment. It is a national block across public networks, regions and organizations. Chain service infrastructure platform.