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:
Aug. 16, 2022
Filed:
Mar. 31, 2021
Alipay Labs (Singapore) Pte. Ltd., Singapore, SG;
Qian Sun, Hangzhou, CN;
Hui Fang, Hangzhou, CN;
Wenbin Zhang, Hangzhou, CN;
Danqing Hu, Hangzhou, CN;
Shengjiao Cao, Hangzhou, CN;
Ke Liu, Hangzhou, CN;
Yuan Yuan, Hangzhou, CN;
Weitao Yang, Hangzhou, CN;
ALIPAY LABS (SINGAPORE) PTE. Ltd., Singapore, SG;
Abstract
Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage media, for managing user authorizations for blockchain-based services. One of the methods includes: at a service platform, receiving, from a computing device associated with a user, an encryption key and data for storage on a blockchain, wherein the data includes public data and private data, and the encryption key encrypts the private data; storing the encryption key and an identifier (ID) of the data in a cache storage dedicated to storing smart contract data for executing a smart contract; and invoking an application programming interface (API) to enable a blockchain node to initiate a consensus algorithm to record the data and the ID of the data on a blockchain.