Computer programming services for mining of digital currency, digital coins, and cryptocurrency; Computer programming services for cryptocurrency mining; Cryptocurrency mining co-location services, namely, providing facilities for the location of computer hardware for cryptocurrency mining with the equipment of others; IT consulting services; Technical support services, namely, troubleshooting of computer software problems; Technological planning and consulting services in the field of digital currency, digital coins, cryptocurrency, blockchain, and cryptocurrency mining; Technological planning and consulting services in the field of cryptocurrency mining; Computer services, namely, on-site management of information technology (IT) systems of others comprised of computer hardware for cryptocurrency mining; Computer services, namely, remote and on-site management of the information technology (IT) cloud computing systems of others; Computer services, namely, remote management of the information technology (IT) systems of others; Customizing computer software; Providing on-line non-downloadable computer software for use as a cryptocurrency wallet; Providing technology information in the field of cryptocurrency; Providing user authentication services using blockchain-based software technology for cryptocurrency transactions; Rental of computer hardware for cryptocurrency mining; Technological consulting in the field of cryptocurrency