Methods, apparatuses, devices and systems for backtracking service behavior
US11362840B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 15, 2021 |
| Grant date | Jun 14, 2022 |
| Priority date | — |
| Expiry date | Jun 15, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/56
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Disclosed herein are methods, systems, and media for backtracking a user's operation of services. One method comprises: receiving an authorization request from a service device, the authorization request based on a service processing request from a client device, and comprises: data corresponding to a user's operation related to a service, authorization information for accessing the data granted to the service device; a first digital identity of the user; and a second digital identity of the service device; in response to determining that the authorization information satisfies a condition, generating a claim based on the data, the authorization information, the first digital identity, and the second digital identity; recording the claim to a blockchain; and in response to determining that a supervising user has permission to access the claim, granting permission to the supervising user to backtrack the user's operation corresponding to the service based on the claim in the blockchain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.