42 Providing temporary use of online non-downloadable software for use in electronically trading, storing, sending, receiving, accepting and transmitting digital currency, and managing digital currency payment and exchange transaction; providing temporary use of on-line non-downloadable software for processing electronic payments; providing temporary use of on-line non-downloadable authentication software for controlling access to and communications with computers and computer networks; providing technological consulting in the field of digital assets, namely, cryptocurrency, virtual currency, digital tokens, digital currency, decentralized application tokens and blockchain based assets; cryptocurrency and digital asset services, namely, technology custody services in the nature of electronic storage of cryptocurrency and digital assets for safeguarding, storing, and enabling users to access cryptocurrency and other digital assets for institutional investors; providing temporary use of online non-downloadable software for enabling investors to stake their digital assets eligible for returns in a proof of stake network, vote to support network governance events, create digital assets and execute trades of digital assets; providing user authentication services using blockchain-based software technology for cryptocurrency transactions; authentication of data in the field of financial transactions, using blockchain technology; customizing, maintaining, and updating computer software used by others to develop blockchain-based software applications; providing temporary use of on-line non-downloadable software for accessing, reading, and tracking information in the field of financial transactions on a blockchain; providing online non-downloadable software development tools for creating blockchain-based applications provided by a blockchain as a service (BAAS) provider; providing technology information in the field of cryptocurrency; providing on-line non-downloadable computer software for use as a cryptocurrency wallet; providing temporary use of non-downloadable web-based decentralized applications (DApps) for cryptocurrency trading; providing a website featuring online non-downloadable software that enables users to create, exchange, sell, purchase, and transmit blockchain-based non-fungible assets, digital assets, and crypto collectibles; providing online non-downloadable software for managing and validating cryptocurrency transactions using blockchain-based smart contracts; providing online non-downloadable software that enables interoperability of tokens across different blockchains