Development of digital files authenticated by non-fungible tokens [NFTs]; creation, maintenance and adaptation of software, notably software for smart contracts, application programming interface (API) software, and software for receiving, storing, accessing, viewing, sending, buying and selling downloadable digital files authenticated by non-fungible tokens [NFTs]; development of video games software; design and development of software for use with Games-as-a-Service (GaaS); diagnostic services relating to software, notably software for smart contracts; design and development of websites; web hosting; providing information, advice and consultancy services in the field of design and development of downloadable digital files authenticated by non-fungible tokens [NFTs], development of websites, web hosting, and development of software, notably software for smart contracts, application programming interface (API) software and video games software; graphic design, notably graphic design of images, animated images, 3D images and avatars associated with non-fungible tokens (NFT); providing information, advice and consultancy services in the field of graphic design, notably graphic design of images, animated images, 3D images and avatars associated with non-fungible tokens (NFT).