42 Computer programming; assistance and consulting services in connection in the field of computer systems design, design of computer applications and design of databases; computer system analysis; data encryption services; computer system design; conducting of technical project studies, namely, feasibility studies in the field of new technologies; consultant services in the field of Internet security; consultant services in the field of data security; technological consulting services in the field of security of hardware wallets; computer technology consulting services in the field of security of hardware wallets; consulting services in the field of software design; consultation in the field of computer security; software development and design; Software as a Service featuring software for secure hardware wallets; rental of computer software for secure hardware wallets; updating of software; electronic data storage; design and development of computer systems comprising memory cards and chip cards and telecommunication systems; design and development of computers and software; programming for computers; technical consulting in the field of integrated circuit cards and smart cards; research and development of new products; technical research projects and studies in the field of hardware wallet security; engineering, and programming services of software, chip cards, integrated circuit cards, microcircuit cards, memory cards, magnetic cards, and electronic cards; programming for computers; providing temporary use of online non-downloadable software to enable users to program audio, video, text and other multimedia content, including music, concerts, videos, radio content, television content, news, sports, games, cultural events, and entertainment-related programs; services for the creation of indexes of information, sites and other sources online available on computer networks for third parties, namely, creating website based indexes of information for others using information technology; rental of applications, namely, computer programs for application management for third parties; computer services, namely, creating an online community enabling registered users to participate in discussions, receive peer feedback, create virtual communities and engage in social networking in the field of software development; design of an Internet platform for electronic auctions; computer Platform as a Service featuring computer software platforms for hardware wallets security; non-fungible digital asset quality control and authentication services for e-commerce transactions