Blockchain-based attestation service
US11507698B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 19, 2021 |
| Grant date | Nov 22, 2022 |
| Priority date | — |
| Expiry date | Jan 19, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/122
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method, comprising: obtaining a data item that is associated with an IoT device, the IoT device including one or more of a sensor, an actuator, or an energy source; obtaining, from a blockchain-based attestation system, a trust score that is associated with the data item, the trust score being generated by using a consensus-building mechanism that is provided by the blockchain-based attestation system; when the trust score satisfies a predetermined condition, using the data item; and when the trust score fails to satisfy the predetermined condition, discarding the data item, wherein the IoT device is configured to operate as a node in the blockchain-based attestation system, and the blockchain-based attestation system includes one or more other IoT devices that are part of the same IoT device network as the IoT device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.