The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2025
Filed:
Jan. 20, 2022
State Grid Blockchain Technology (Beijing) Co., Ltd., Beijing, CN;
State Grid Digital Technology Holding Co., Ltd., Beijing, CN;
State Grid Corporation of China, Beijing, CN;
Dong Wang, Beijing, CN;
Wei Jiang, Beijing, CN;
Da Li, Beijing, CN;
Jiaxing Xuan, Beijing, CN;
Guomin Li, Beijing, CN;
Hejian Wang, Beijing, CN;
Xin Shi, Beijing, CN;
Jiangtao Li, Beijing, CN;
Zhan Su, Beijing, CN;
Lei Zhou, Beijing, CN;
Lihua Zhao, Beijing, CN;
Fan Jia, Beijing, CN;
STATE GRID BLOCKCHAIN TECHNOLOGY (BEIJING) CO., LTD., Beijing, CN;
State Grid Digital Technology Holding CO., LTD., Beijing, CN;
State Grid Corporation of China, Beijing, CN;
Abstract
A blockchain-based transaction system for a green certificate includes an audit node, a proxy node, and an off-chain node. The proxy node is used by a power producer and a purchaser; the audit node verifies qualification information of the power producer, and send a green certificate to the power producer; the off-chain node predicts a transaction price of a next transaction; when receiving sale information of the power producer and purchase information of the purchaser, the proxy node sends the sale information, a digital signature of the power producer, the purchase information, and a digital signature of the purchaser to the off-chain node; the off-chain node matches the sale information and the purchase information, and sends successfully matched transaction information to the proxy node; the proxy node sends the successfully matched transaction information to a transaction smart contract; and the transaction smart contract performs transaction processing.