42 Providing user authentication services using blockchain-based software technology for cryptocurrency transactions; Authentication of data in the field of real property, real assets, and digital assets transfers using blockchain technology; Providing temporary use of on-line non-downloadable software for accessing, reading, and tracking information in the field of real property and real asset transfers on a blockchain; Providing on-line non-downloadable computer programs and computer software for electronic transfer of digital tokens; providing on-line non-downloadable computer software for use as a digital token wallet; providing on-line non-downloadable computer software for enabling users to electronically create, exchange, store, send, receive, accept, and transmit digital tokens based on the blockchain technology; providing on-line non-downloadable computer software for enabling users to exchange digital tokens for data; providing online non-downloadable computer software for creating digital tokens using blockchain technology to facilitate the transfer of data between users, to allow users to post digital content, and to allow users to view digital content; platform as a service (PAAS) featuring computer software platforms using blockchain and distributed ledger technology for authenticating and processing digital tokens; Software as a service (SaaS) services featuring software to negotiate agreements, and obtain automated escrow services for their transactions and Platform as a Service (PaaS) services featuring computer software platforms to negotiate agreements, and obtain automated escrow services for their transactions; platform as a service (PAAS) featuring computer software platforms for users to contribute, edit, view, store, access, download, broadcast, trade, send, receive, and transfer non-fungible tokens (NFTs) and fungible tokens; Providing a web site featuring technology that enables users to contribute, edit, view, store, access, download, broadcast, trade, send, receive, and transfer non-fungible tokens (NFTs) and fungible tokens; Digital asset services in the nature of providing online non-downloadable software for generating cryptographic keys for receiving and spending cryo assets; digital asset services, namely, technology custody services in the nature of electronic storage of non-fungible tokens (NFTs) and digital assets for safeguarding, storing, displaying, and enabling access to memorabilia and experiences; providing temporary use of on-line, non-downloadable software for use as a digital wallet; providing temporary use of on-line, non-downloadable software for blockchain-based digital asset management; providing temporary use of on-line, non-downloadable software based on blockchain technology that allows users to create, store, and display memorabilia, including sports, concert, and event memorabilia and tickets; providing secure, web-based services featuring technology that allows users to create and store blockchain-based non-fungible tokens (NFTs); providing a secure, web-based service featuring technology that allows users to create non-fungible tokens (NFTs) from moments, memories, experiences, and assets; providing temporary use of on-line non-downloadable software for enabling users to electronically create, exchange, display, store, send, receive, accept and transmit digital, cryptographic, non-fungible tokens (NFTs) based on blockchain technology