Downloadable digital image files of works of art authenticated by non-fungible tokens (NFTs); Downloadable digital image files of clothing authenticated by non-fungible tokens (NFTs); Downloadable image files of paintings authenticated by non-fungible tokens (NFTs); Downloadable virtual goods in the nature of image files of artwork for use in online virtual worlds; Downloadable multimedia files containing artwork relating to artwork, animations, and documentary content authenticated by non-fu...