Consulting services in the field of software as a service (SAAS); Software as a service (SAAS) services featuring software for analyzing and reporting self-assessment of illness; Software as a service (SAAS) services in the nature of hosting cloud-based software of others; Software as a service (SAAS) services featuring software for collecting, verifying, and transmitting data and information for use in blockchain-based smart contracts; Developing customized software for others; Customizing computer software; Customizing, maintaining, and updating computer software used by others to develop blockchain-based software applications; Installation of computer software; Computer software installation and maintenance; Installation and maintenance of computer software; Installation and maintenance of Internet access software; Preparation, update, installation and maintenance of computer software; Installation and repair of computer software, including mobile performance of such services on customer premises; Design, development, installation and maintenance of computer software; Installation, maintenance, and updating of computer software; Technical support services, namely, installation, administration, and troubleshooting of web and database applications; IT consulting services relating to installation, maintenance and repair of computer software