ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,415, issued on Feb. 17, was assigned to Tencent Technology Co. Ltd. (Shenzhen, China).

"Multi-blockchain-based cross-chain processing method and apparatus, device, system, and medium" was invented by Gengliang Zhu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses a multi-blockchain-based cross-chain processing method performed by a computer device acting as a management chain consensus node in a multi-blockchain system. The method includes: obtaining the multi-blockchain, wherein the multi-blockchain comprises a management chain and at least one other blockchain, and the management chain consensus node being ...