Nokia Technologies Oy

Edward FitzGerald

David Bitauld

Troels Roennow

Karina Palyutina

Enrique Martin Lopez

Enrique Martin-Lopez

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 (), receiving a cryptographic first expected proof of use value (), 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 ().

Media content control

According to an example aspect of the present invention, there is provided a method, comprising: receiving user information provided by a user equipment, associating spatiotemporal information with the user information on the basis of location of at least one wireless access network device in communication with the user equipment, generating a proof of location indication transaction associated with the user information on the basis of the spatiotemporal information, and providing the proof of location indication transaction to a distributed ledger.

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Cambourne, United Kingdom

Edward FitzGerald