IP3 2024 – Blockchain based Digital Content Security (Lot 15393)

This patent is generally related to a technique to protect digital content producers intellectual property rights on their digital content using blockchain technology to avoid unauthorized distribution and duplication of the digital content. Disclosed is a technique to protect intellectual property rights on digital content by determining whether to decode encoded digital content based on the digital data that indicates a license for the digital content recorded on a blockchain. The system controls the license using a multi-blockchain structure with a mainchain for providing participants with sequence information on contents registered with the blockchain. Also disclosed is an accountchain with information to manage the license and multiple sidechains connected to the mainchain. Each of the mainchain and the sidechain has an unmodifiable structure, and the accountchain has a modifiable structure. The technology may be implemented in secured media distribution systems, digital content protection systems, content distribution using distributed ledgers, etc.

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