Blockchains (smart contracts, distributed ledgers) and rights management broadly construed are the themes of today's Spotlight Applications. Assigned to Nokia (FL), the first application discloses techniques for media content control. Assigned to Ryu, Inc., the second application discloses techniques for a computer game tournament using digital assets stored in a digital asset wallet.
20210349967, "Media content control," assigned to Nokia (FL)
According to an example aspect of the present invention, there is provided a method, comprising: receiving a cryptographic proof of use indicative of decoding of a first media content element by a user device (400), receiving a cryptographic first expected proof of use value (410), and controlling access to an encrypted second media content element associated with the first media content element on the basis of verification of the received cryptographic proof of use and the first expected proof of use value (420).
20210350356, "Systems and methods for computer game tournament using digital assets stored in a digital asset wallet," assigned to Ryu Technologies, Inc.
Embodiments of the invention are systems and methods for computer game tournaments using digital assets stored in a digital asset wallet, comprising: a multiplayer system on a middleware server, wherein a single-player computer game on a computing device uses an application programming interface to communicate with the multiplayer system and to become a multiplayer game; a core system on a middleware server, wherein the core system manages computer game tournaments for the computer game on the computing device; a database server, wherein the database server stores information for the multiplayer system and the core system; and a smart contract, wherein the smart contract is deployed on a blockchain and the smart contract stores digital asset balances for users.