Providing exchange services and electronic exchange services for financial instruments, namely, currencies, virtual currencies, commodities, futures, financial derivatives, securities, options, other financial instruments, and digital versions thereof; providing a financial exchange and electronic financial exchange for purchasing, selling, and/or trading financial instruments, namely, currencies, virtual currencies, commodities, futures, financial derivatives, securities, options, other financial instruments, and digital versions thereof; financial information and research services, both on-demand and real-time financial information, including information provided by electronic means; calculation of prices and price indices for currencies, virtual currencies, commodities, futures, financial derivatives, securities, options, other financial instruments, and digital versions thereof; financial management, analysis, consultancy, advisory, and valuation and financial appraisal of currencies, virtual currencies, commodities, futures, financial derivatives, securities, options, other financial instruments, and digital versions thereof; and providing all the aforementioned services over the internet and accessible via a computer terminal or a mobile communication device