Protection of data trading
US11270296B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2018 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | Dec 15, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/0442
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An example operation may include one or more of receiving, by a data server node, requests for data from a plurality of user nodes connected to a blockchain, retrieving, by the data server node, the data from the blockchain, dividing, by the data server node, the data into a plurality of portions and generating copies of the plurality of the portions, changing, by the data server node, at least one bit in each of the copies, encrypting, by the data server node, the copies and recording the copies into blocks on a second blockchain, recording, by the data server node, a plurality of sequence numbers of the blocks, and storing, by the data server node, the plurality of the sequence numbers on a second blockchain to be accessed by the plurality of the user nodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.