| abstract |
A technique related to a DRM service system based on a block chain is disclosed. A DRM service system according to an exemplary embodiment includes a content registration agent, a block-chain network, and a user agent. The content registration agent generates a transaction including a standard content identifier, a user content, a content attribute, and content copyright information in response to a digital content registration request of a service provider, and requests registration in a block chain. A plurality of participating nodes of the block- According to the algorithm, a block is created and added to a block chain using a transaction received from the content registration agent. The user agent acquires content information by connecting to a block-chain network to use the DRM content. |