Providing online non-downloadable software, namely, non-downloadable blockchain software for administering decentralized computer blockchain applications; providing online non-downloadable blockchain software for administering decentralized computer blockchain applications operating systems, nonfungible token (NFT) platforms, cryptocurrency platforms, crypto exchanges, blockchain games, nonfungible token (NFT) games, Web3 games and such for use in distributed computing environments; blockchain platform as a service (PAAS), blockchain operating system platform as a service (BOSAAS), Metaverse operating system platform as a service (MOSAAS), blockchain as a service (BAAS) and software as a service (SAAS) featuring blockchain software for developing, building and operating distributed blockchain applications; providing temporary use of non-downloadable computer software that allows users to send, receive, store and safeguard digital currency; providing a secure, web-based computer service featuring technology that enables users to remotely access, send, receive, store and manage digital currency; authentication and certification of data relating to cryptocurrency and nonfungible tokens (NFTs) via blockchain; design of computer software for the utilization of blockchain technology; design of computer software to facilitate the transactions and microtransactions of cryptocurrency and nonfungible tokens (NFTs); design and provision of online platform to facilitate the transactions and microtransactions of cryptocurrency and nonfungible tokens (NFTs)