42 Providing temporary use of nondownloadable software for use in collecting, transferring, receiving, tracking, storing and transferring cryptocurrency; Providing temporary use of nondownloadable software for use in accessing, reading, tracking, and using blockchain technology; Developing and updating of computer software for use in managing cryptocurrency and block chain data; Computer software development in the field of blockchain technology that records financial and cryptocurrency transactions to compile information and enter it into a permanent database or ledger; Design and development of computer software for blockchain technology that records financial and cryptocurrency transactions to compile information and enter it into a permanent database or ledger; Providing temporary use of on-line non-downloadable software and applications for enabling development, exchange, and analytics of blockchain based technologies, namely, cryptocurrency; Software as a service for generating cryptocurrency tokens that represent ownership of an investment security; Computer data center services, namely, providing, hosting, and managing shared computing hardware and software configured with access to a global computer network for the purpose of mining, generating, managing, and trading cryptocurrency