Downloadable images and multimedia files containing audiovisual works and collectible audiovisual works, audio-only works, visual graphic works, cartoons, image files, captured recordings, and still photography all relating to art and authenticated by non-fungible tokens (NFTs); Downloadable images and multimedia files containing audiovisual works, cartoons, image files, audio-only works, visual graphic works, captured recordings, and still photography all relating to art and authenticated by cryptographic tokens; Downloadable images and multimedia files containing audiovisual works, audio-only works, visual graphic works, cartoons, image files, captured recordings, and still photography all relating to art; Downloadable images and multimedia files containing collectible audiovisual works, audio-only works, visual graphic works, cartoons, image files, captured recordings, and still photography all relating to art; Downloadable virtual goods, namely, computer programs for the creation and trade of digital collectibles, namely, audiovisual works, audio-only works, visual graphic works, cartoons, image files, captured recordings, and still photography all relating to art using blockchain-based software technology and smart contracts; Downloadable digital media, materials, or content, namely, digital collectibles in the nature of audiovisual works, audio-only works, visual graphic works, cartoons, image files, captured recordings, and still photography all relating to art created with blockchain-based software technology and smart contracts