US Patent Issued to CHINA MOBILE COMMUNICATION Co. LTD RESEARCH INSTITUTE, CHINA MOBILE COMMUNICATIONS GROUP on April 14 for "Blockchain-based SDP access control method and apparatus" (Chinese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,880, issued on April 14, was assigned to CHINA MOBILE COMMUNICATION Co. LTD RESEARCH INSTITUTE (Beijing) and CHINA MOBILE COMMUNICATIONS GROUP Co. LTD. (Beijing).

"Blockchain-based SDP access control method and apparatus" 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: "In a blockchain-based SDP access control method and apparatus, an SDP connection initiation host submits identity authentication request information to a blockchain system node, receives an authentication result feedback after verification; sends, to the blockchain system node, a query reques...