42 Computer security services in the nature of administering digital certificates; internet security consultancy; IT security services in the nature of protection and recovery of computer data, namely, computer virus protection services, data encryption and decoding services, recovery of computer data; consultancy in the field of data security; design and development of internet security programs; data security services, namely, computer security threat analysis for protecting data; telecommunication network security consultancy; computer security consultancy; authentication services for computer security, namely, user authentication services using technology for ecommerce transactions, providing user authentication services using blockchain-based software technology for cryptocurrency transactions; research relating to security, namely, scientific research, product research; design and development of electronic data security systems; IT programming services, namely, computer programming, computer programming consultancy; information technology (IT) consultancy services, namely, information technology consultancy relating to installation, maintenance and repair of computer software, information technology consulting relating to computer network design; design services, namely, computer software design, computer hardware design, web site design; computer hardware and software design and development services; computer programming services; IT consultancy, advisory and information services, namely, information technology consulting relating to computer software design, providing information relating to computer technology via a website, information technology consultancy relating to installation, maintenance and repair of computer software; development of computer systems