42 Providing temporary use of on-line, non-downloadable software for application programming interfaces for use in trading currencies, stocks, and bonds; providing on-line non-downloadable software for user interface integration and developing customized orders for use in trading currencies, stocks, and bonds; development of computer platforms for use in trading currencies, stocks, and bonds; providing a web hosting platform for use in trading currencies, stocks and bonds; Software as a Service (SaaS) services featuring software for currency, stock and bond trading; Platform as a Service (PaaS) services featuring software for currency, stock and bond trading; development and testing of computer software and algorithms in the nature of computer programming for use in trading currencies, stocks, and bonds; providing online non-downloadable computer software trading platforms for use in trading currencies, stocks, and bonds; providing online non-downloadable computer algorithmic order software for cryptocurrency trading; Software as a Service (SaaS) services featuring software for cryptocurrency trading; Software as a Service (SaaS) services featuring algorithmic order software for cryptocurrency, digital asset, digital token, and digital security trading, exchange, issuance, and storage