Providing online non-downloadable software for facilitating financial transactions; providing online non-downloadable software for the exchange, brokerage, clearing, confirmation, trading, and transfer of non-fungible assets, digital assets, virtual assets, crypto assets, blockchain based assets, crypto currency, digital currency, virtual currency, non-fungible tokens (NFTs), crypto tokens, and crypto collectibles, and derivative and other financial instruments concerning the foregoing; providing online non-downloadable software for use in auditing, clearing, confirming, executing, managing, monitoring, processing, recording, settling, verifying, and validating transactions of non-fungible assets, digital assets, virtual assets, crypto assets, blockchain based assets, crypto currency, digital currency, virtual currency, non-fungible tokens (NFTs), crypto tokens, and crypto collectibles, and derivative and other financial instruments concerning the foregoing; providing online non-downloadable software for use in analysis, evaluation, forecasting, information, listing, planning, portfolio management, quotation, price discovery, financial trading risk management, research, management, custody, data collection and tracking services in the field of non-fungible assets, digital assets, virtual assets, crypto assets, blockchain based assets, crypto currency, digital currency, virtual currency, non-fungible tokens (NFTs), crypto tokens, and crypto collectibles, and derivative and other financial instruments concerning the foregoing