Providing online non-downloadable game software; Authentication of data in the field of works of art using blockchain technology; Providing user authentication services using blockchain-based software technology for cryptocurrency transactions; Providing on-line non-downloadable computer software for use as a cryptocurrency wallet; Providing online non-downloadable software for providing access to crypto-collectibles, non-fungible tokens and other application tokens; Platform as a service (PAAS) featuring software platforms for providing access to crypto-collectibles, non-fungible tokens and other application tokens; platform as a service (PAAS) featuring software platforms for downloading software, data, and image files from the Internet; Providing temporary use of online non-downloadable software for use in electronically trading, storing, sending, receiving, accepting and transmitting digital currency, crypto-collectibles, non-fungible tokens and other application tokens, and managing digital transactions; software as a service (SAAS) services and platform as a service (PAAS) featuring software for use in connection with providing a digital platform for navigating digital art, crypto-collectibles, non-fungible tokens and other application tokens, and non-fungible token marketplaces and auctions; Software as a service (SAAS) services and platform as a service (PAAS) featuring software for use in connection with providing information for digital art, crypto-collectibles, non-fungible tokens and other application tokens