Providing temporary use of on-line non-downloadable software for accessing, tracking, displaying, managing and transferring cryptocurrency, and digital asset; Providing temporary use of on-line non-downloadable software and mobile applications to enable consumers and businesses to manage, use and transfer digital assets, cryptocurrency and other ledger technologies; providing temporary use of on-line non-downloadable software and mobile applications for use in accessing, reading, tracking, and using blockchain technology; providing on-line non-downloadable computer software for use in managing and using blockchain technology and computation thereof; computer software design services, namely, design, development, and implementation of software solutions for digital currency security for blockchain and cryptocurrency transactions; computer programming and computer software design services, namely, design, development, and implementation of software for hierarchical deterministic multisignature (HDM) wallets and third party verification services for blockchain and cryptocurrency transactions; providing a website featuring technology that enables users to engage in cryptocurrency mining and verification services for cryptocurrency; platform as a service (PAAS) featuring computer software platforms for providing design, testing, deployment, and management of blockchain systems; platform as a service (PAAS) featuring computer software platforms for the deployment, transfer, and management of fiat and cryptocurrency; software as a service (SAAS) featuring computer software for the management, use and transfer of digital assets, cryptocurrency, crypto-collectibles and application tokens; consultation services, namely, software development consulting in the field of blockchain technology and cryptocurrenc; Authentication and validation of data in the field of financial and digital transactions authenticated by non-fungible tokens (NFTs) using blockchain technology