Digital collectibles in the nature of downloadable multimedia files containing artwork in the field of fictional characters authenticated by non-fungible tokens (NFTs); Downloadable digital image files of works of art authenticated by non-fungible tokens (NFTs); Downloadable digital image files of fictional characters; Downloadable digital collectibles being image and video files in the field of fictional characters authenticated by non-fungible tokens (NFTs); Downloadable image files of digital animated and non-animated designs of fictional characters; Downloadable emoticons; Downloadable image files of digital animated and non-animated designs of avatars; Downloadable multimedia files containing artwork, text, audio, and video relating to fictional characters authenticated by non-fungible tokens (NFTs); Downloadable digital collectibles being image files of fictional characters authenticated by non-fungible tokens (NFTs)