ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,122, issued on Oct. 28, was assigned to Tencent Technology Co. Ltd. (Shenzhen, China).

"Node selection method and apparatus, first node, storage medium, and program product" was invented by Zhuguang Shao (Shenzhen, China), Li Li (Shenzhen, China), Jianjun Zhang (Shenzhen, China), Bing Shao (Shenzhen, China) and Bengbeng Su (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of this application disclose a node selection method performed by a first node in a blockchain. In the embodiments of this application, nodes in a blockchain are grouped in an order of attribute weights of the nodes, to obtain a plurality of node groups. A...