42 Providing non-downloadable online software that enables users to exchange, sell, purchase, receive and transmit digital assets and non-digital currency; Providing non-downloadable online software that enables users to obtain and track current asset value, historical asset value, view trade histories and settlement details, in each case pertaining to digital assets and non-digital currency; Providing a non-downloadable online software that allows users to obtain a quote for purchase, sale or trade of digital assets and non-digital currency, and execute a transaction by accepting such a quote; Non-downloadable online software allowing users to view order book, and market depth information; Non-downloadable online software providing advanced financial charting and analysis