digital collectibles; digital collectibles sold as non-fungible tokens; non-fungible tokens (NFTs); 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; maintain and record ownership of digital illustrations; maintain and record ownership of digital illustrations represented by non-fungible tokens; providing a website featuring an online marketplace for exchanging digital collectibles; 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; online social networking services provided through a members-only website