banking and financial services; providing a ledger for alternative investments based on cryptography, smart contracts, and distributed ledger technology, including blockchain, for use by members of an on-line community via a global computer network; currency exchange services; on-line real-time currency trading; cash management, namely, facilitating transfers of electronic cash equivalents; digital currency exchange transaction services for transferrable electronic cash equivalent units having a specified cash value; financial management of digital asset portfolios and advise on financial digital assets; financial management of digital assets; securities settlement services using distributed ledger technology (dlt); securities brokerage services using blockchain technology; securities brokerage services using distributed ledger technology (dlt); financial services, namely, broker/dealer services on securities exchanges and over-the-counter markets using blockchain and distributed ledger technology