Today Sony
announced a rights management system using blockchain. The project is based on an existing system for authenticating, sharing and rights management of educational data.
The new initiative targets rights for written works. It logs the data and time of creation of the electronic data as well as the creator, making it hard to falsify. Similar implementations have been done in the past, ranging from proving that a
press release came from a particular organization to Austria’s
verification of public documents such as bus timetables.
The aspect that is novel is Sony says that it will “automatically verify the rights generation of a piece of written works, which has conventionally proven difficult.” Hence verification is not just the content as a whole but also any part of it. Usually, proof is logged on the blockchain by creating a hash or representation of the data. The announcement provides no detail about methodology. But if it uses the same process, then it implies that there could be many hashes each representing a sentence or paragraph.
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