Downloadable software; software; non-fungible tokens; downloadable art image files authenticated by non-fungible tokens; downloadable computer software in the nature of non-fungible tokens; non-fungible tokens used with blockchain technology, namely, downloadable image and multimedia files containing artwork; downloadable digital art; downloadable image files containing artwork authenticated by non-fungible tokens; downloadable virtual goods, namely, computer programs for the creation and trade of digital collectibles using blockchain-based software technology featuring artwork; downloadable digital media, namely, digital collectibles created with blockchain-based software in the nature of artwork; downloadable computer software for managing digital collectible services, a market for transactions, and a registry using blockchain-based software technology for digital collectibles featuring artwork; cell phone cases; Non-fungible tokens in the nature of printed photographs; digital collectibles; digital collectibles sold as non-fungible tokens; Picture frames; Mugs, drinkware; Clothing; clothing, namely, t-shirts, long sleeve shirts, and hoodies; Retail store services; online retail store services; retail store services featuring virtual goods, namely, non-fungible tokens; retail store services featuring virtual goods, namely, digital artwork; providing a website featuring an online marketplace for exchanging downloadable virtual goods with other users; provision of an online marketplace for buyers and sellers of downloadable digital goods authenticated by non-fungible tokens; online retail store services; Cloud based software; providing online, non-downloadable software; non-downloadable virtual goods, namely, non-fungible tokens; non-downloadable virtual goods, namely, a collectible series of non-fungible tokens; non-downloadable virtual goods, namely, a collectible series of images as embodied in non-fungible tokens; non-downloadable virtual goods, namely, non-fungible tokens used with blockchain technology; non-downloadable virtual goods, namely, non-fungible tokens used with a distributed ledger; non-downloadable virtual goods, namely, digital collectible images using non-fungible tokens and blockchain technology; authentication and certification of data relating to non-fungible tokens via blockchain; providing online, non-downloadable virtual goods, namely, computer programs for the creation and trade of digital collectibles using blockchain-based software technology featuring artwork; providing online, non-downloadable digital media, namely, digital collectibles created with blockchain-based software, in the nature of artwork; providing online, non-downloadable computer software for managing digital collectible services, a market for transactions, and a registry using blockchain-based software technology for digital collectibles featuring artwork; computer programming of virtual goods for use in virtual worlds; graphic design of virtual goods for use in virtual worlds