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:
Mar. 28, 2023
Filed:
Jan. 20, 2022
Alipay (Hangzhou) Information Technology Co., Ltd., Zhejiang, CN;
Ant Blockchain Technology (Shanghai) Co., Ltd., Shanghai, CN;
Renhui Yang, Hangzhou, CN;
Alipay (Hangzhou) Information Technology Co., Ltd., Zhejiang, CN;
Ant Blockchain Technology (Shanghai) Co., Ltd., Shanghai, CN;
Abstract
Blockchain-based transaction methods, apparatuses and systems are provided. A transaction party invokes a smart contract in a blockchain system to register a digital identity on a blockchain for a digital object in the blockchain system and to write an owner identity of the digital object into a digital identity document of the digital object. If one or more transaction counterparties want to obtain ownership of the digital object, they can invoke the smart contract in the blockchain system to initiate a request of a transaction, further invoke the smart contract in the blockchain system to complete a transaction, determine a new owner of the digital object, and update the owner identity of the digital object on the blockchain.