ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,300, issued on May 20, was assigned to CHINA MOBILE COMMUNICATION Co. LTD RESEARCH INSTITUTE (Beijing) and CHINA MOBILE COMMUNICATIONS GROUP Co. LTD. (Beijing).
"Blockchain-based method and system for SDP access control" was invented by Junzhi Yan (Beijing), Bo Yang (Beijing), Li Su (Beijing) and Shen He (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided in embodiments of the present disclosure are a blockchain-based method and system for SDP access control. An SDP connection accepting host transmits information of the SDP connection accepting host and a supported connection policy to a blockchain system node, performs blockchain node ...