When you play your beloved Video Games on your PC, you already know about all the procedures during the Installation by entering a Key, which allows you to install and/or to play the Games, you recently bought. And when this is a "everyday's business" by a PC Gamer and nothing new, Game Titles released on a home console never applied such a system, which meant that if you bought a Game, you was able to do whatever you wanted to do. But this could change in future, according to a new Patent filled by Sony, which would not based - as they call it: "BLOCKCHAIN-BASED DIGITAL RIGHTS MANAGEMENT" - on a traditional system, as above mentioned. There are many speculations how this system could work and it's still unknown if this would mean a better protection against Piracy or having full control about your purchases.
BLOCKCHAIN-BASED DIGITAL RIGHTS MANAGEMENT
Generating a rights blockchain storing rights of a user, including: receiving an enrollment request and a public key from the user; verifying that the user has a private key corresponding to the public key; generating a user identifier using the public key; and generating and delivering the rights blockchain having a genesis block including the user identifier to the user.
- A method for generating a rights blockchain storing rights of a user, the method comprising: receiving an enrollment request and a public key from the user; verifying that the user has a private key corresponding to the public key; generating a user identifier using the public key; and generating and delivering the rights blockchain having a genesis block including the user identifier to the user.
- A system for generating a rights blockchain storing rights of a user, the system comprising: a registration authority configured to receive an enrollment request and a public key from the user, the registration authority also configured to verify that the user has a private key corresponding to the public key, generate a user identifier using the public key, and generate and deliver the rights blockchain having a genesis block including the user identifier to the user.
- A method for performing digital rights management using a rights blockchain storing rights of a user, the method comprising: receiving a protected content including a content identifier, a scrambled essence, and an encrypted control word; receiving the rights blockchain and credentials of the user; searching the rights blockchain for a first block that contains the content identifier of the protected content; decrypting the encrypted control word when a signature and usage rights in the first block are determined to be valid; and descrambling the scrambled essence using the decrypted control word.
- A method for generating a rights blockchain storing rights of a user to consume an item of content, the method comprising: receiving an enrollment request and a public key from the user and verifying that the user has a private key corresponding to the public key; generating a genesis block including a user identifier of the user using the public key; and generating and adding a new block having a content identifier of the item of content and associated usage rights.
Even if Sony mentions to use a "blockchain-based DRM-solution", it is still premature to tell how this System would work in common practice. It could be based on a similar system like on Steam, a traditional way like for physical PC Games with Keys or even a completely new system. And since patent fillings doesn't mean that those would be included in future (Sony did a similar Patent filling back in 2006 before the PS3 was even released), it could even lead into nothing and everything would stay in normal like it is today.
Infact when you read the complete patent filling, it sounds more like Sony wants to have full control onto your purchases, which would mean that you can't do any longer with your Game Titles whatever you wanted, but they could. A common example would be that your PlayStation Console and your PSN Account has to be connected online while gaming. Microsoft still has some headaches with this idea back at E3 2013.
And since this patent filling describes that DRM-solution not only for Video Games, but also for Movies, Music and so on - what do you think - is this a good idea? What are your experiences using DRM content on Games or Movies for other platforms? You are welcome to discuss this with the others.
For the full Patent filling with the complete Description and all Patent Claims: Click here
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