Providing a secure, web-based service featuring technology that enables users to remotely access, send, receive, store, and manage digital assets, virtual token, digital currency, and cryptocurrency; blockchain platform development services; design, development, implementation, and consultancy in software in the field of blockchains; providing on-line non downloadable software for user interface integration and developing customized cryptocurrency and blockchain trading orders, trading engines, and trading strategies; data storage and certification via blockchain; electronic storage of cryptocurrency for others; providing on-line non-downloadable computer software for use as a cryptocurrency wallet