Computer programming of smart contracts on a blockchain; Electronic storage of cryptocurrency for others; Providing on-line non-downloadable computer software for use as a cryptocurrency wallet; Providing on-line non-downloadable software for generating cryptographic keys for receiving and spending cryptocurrency; Providing technology information in the field of cryptocurrency; Providing temporary use of non-downloadable web-based decentralized applications (DApps) for cryptocurrency trading, cloud storage of data, web browsing; Providing temporary use of on-line non-downloadable computer software for use as a digital wallet; Technological consulting in the field of cryptocurrency; Providing online, non-downloadable software for collecting, verifying, and transmitting information via a blockchain data feed to smart contracts; Providing user authentication services using blockchain-based software technology for cryptocurrency transactions
Computer and Scientific