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:
May. 31, 2022
Filed:
Jun. 29, 2021
Alipay (Hangzhou) Information Technology Co., Ltd., Zhejiang, CN;
Alipay (Hangzhou) Information Technology Co., Ltd., Zhejiang, CN;
Abstract
A blockchain-based user privacy data providing method and apparatus is provided. The method includes receiving a data consumption request from a data consumer, where the data consumption request requests user privacy data of a target user, the user privacy data includes personal data that is pre-encrypted and uploaded to a trusted execution environment (TEE), and the TEE is constructed in a blockchain node; performing predetermined verification on the data consumption request in the TEE based on request body data corresponding to the data consumption request using a smart contract deployed in the blockchain to obtain a corresponding predetermined verification result; if the predetermined verification result satisfies a verification success condition, obtaining target privacy data for the data consumption request, and sending the encrypted target privacy data to the data consumer, where the target privacy data is obtained in the TEE based on the user privacy data stored in the blockchain.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile