ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,687, issued on Jan. 27, was assigned to Tencent Technology Co. Ltd. (Shenzhen, China).

"Blockchain-based data processing method and apparatus, device, and readable storage medium" was invented by Zimin Chen (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A data processing method includes executing, by a relay node belonging to a sub-blockchain network, transaction data for a target sub-chain account to obtain a transaction execution result, obtaining total account status data in the sub-blockchain network that includes status data of at least two sub-chain accounts including the target sub-chain account, generating candidate total ac...