Software design and development; Software development and product development consulting in the field of cryptocurrencies; Software engineering services; Computer software consultation; Computer software consulting; Computer software design; Computer software design for others; Computer programming and software design; Consultancy in the field of software design; Consultation services relating to computer software; Design and development of computer software; Design and development of on-line computer software systems; Developing customized software for others; Providing on-line non-downloadable computer software for use as a cryptocurrency wallet; Providing on-line non-downloadable software for generating cryptographic keys for receiving and spending cryptocurrency; Providing technology information in the field of cryptocurrency; Providing user authentication services using blockchain-based software technology for cryptocurrency transactions; Research and development of computer software; Technological consulting in the field of cryptocurrency