Updating of computer software related to security and prevention of computer risks; Electronic data storage using blockchain technology; Blockchain as a Service, namely, providing user authentication services using blockchain-based software technology for cryptocurrency transactions; data certification via blockchain, namely, authentication, issuance and validation of digital certificates via blockchain; computer software consultancy; creation, maintenance, conservation and adaptation of computer software; computer software development; development of software for secure network operations; computer software development for others; computer software design; Design and development of computer software for managing and verifying cryptocurrency transactions on a blockchain; design, drawing and commissioned writing of computer software; design and development of operating software for accessing and using cloud computing networks; design and development of software for managing databases of financial information; design and development of electronic database software; design and development of computer software being software writing; writing programs for data processing being computer software design; computer software writing; writing and updating of computer programs; coin analysis services being authentication of coins; Software as a service (SAAS) services featuring software for managing and verifying cryptocurrency transactions on a blockchain; providing temporary access to non-downloadable financial data analysis and report production software; technological consultations in the technology field of computer hardware systems; computer technology consultancy; computer software creation; Scientific and technological design services in the field of computer networking hardware, computer datacenter architecture; technological studies in the nature of conducting of feasibility studies in the field of new technologies; scientific and technological services, namely, scientific research, analysis, testing in the field of blockchain technology; Technology advisory services related to computers; advisory services relating to computer software; Business technology software consultation services; Telecommunications technology consultancy services; technology design services in the nature of planning, design and implementation of computer technologies for others; Technological services, namely, research and design in the field of computer networking hardware, computer datacenter architecture; Consultancy in the field of software design; computer software design for others