Tracking and certification of digital media via distributed ledger
US11831710B2 · kind B2 · utility
1Cited by
1References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2021 |
| Grant date | Nov 28, 2023 |
| Priority date | — |
| Expiry date | Jun 30, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/60
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Copies of a distributed ledger with multiple blocks are stored on multiple computing devices and a secure server that stores a plurality of authenticated digital media asset. A first computing device with an authenticated digital media asset generates a new block to the distributed ledger, and each subsequent computing devices with modifications made to the digital media asset adds a new block identifying modification made to the digital media asset and appends a hash of at least a portion of a previous block of the distributed ledger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.