Control method, server, recording medium, and data structure
US12086283B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2021 |
| Grant date | Sep 10, 2024 |
| Priority date | — |
| Expiry date | Jan 31, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/083
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A control method that, in an information management system including a plurality of servers each having a distributed ledger, is executed by a server from among the plurality of servers, includes: receiving first transaction data that includes identification information and permission or non-permission information, the identification information being associated with user information that is managed in the information management system and relates to a first user, the permission or non-permission information indicating whether provision of the user information to a second user is permitted; and storing the first transaction data received, in the distributed ledger in each of the plurality of servers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.