digital collectibles in the nature of downloadable image files of works of art authenticated by non-fungible tokens (NFTs); digital collectibles in the nature of downloadable multimedia files containing artwork relating to graphic designs of persons, animals, and characters authenticated by NFTs in the field of social networking; downloadable image files of graphic designs of persons, animals, and characters authenticated by non-fungible tokens; downloadable image and multimedia files containing artwork relating to graphic designs of persons, animals, and characters authenticated by NFTs; downloadable digital art images being downloadable graphic art reproductions