42 Application service provider (ASP) featuring e-commerce software for use as a payment gateway that authorizes processing of credit cards or direct payments for merchants; Application service provider featuring application programming interface (API) software in the nature of cryptocurrency trading, derivative trading, forex trading, investment dealer services, custodial services, transfer and settlement services, investment portfolio services, and investment advisory services; Application service provider featuring application programming interface (API) software for financial services in the nature of cryptocurrency trading, derivative trading, forex trading, investment dealer services, custodial services, transfer and settlement services, investment portfolio services, and investment advisory services; Application service provider, namely, hosting, managing, developing, analyzing, and maintaining applications, software, and web sites, of others in the fields of advertising and marketing; Application service provider (ASP) featuring software for use financial services in the nature of cryptocurrency trading, derivative trading, forex trading, investment dealer services, custodial services, transfer and settlement services, investment portfolio services, and investment advisory services; Platform as a service (PAAS) featuring computer software platforms for financial services in the nature of cryptocurrency trading, derivative trading, forex trading, investment dealer services, custodial services, transfer and settlement services, investment portfolio services, and investment advisory services; Software as a service (SAAS) services featuring software for financial services in the nature of cryptocurrency trading, derivative trading, forex trading, investment dealer services, custodial services, transfer and settlement services, investment portfolio services, and investment advisory services; User authentication services using blockchain technology for financial services in the nature of cryptocurrency trading, derivative trading, forex trading, investment dealer services, custodial services, transfer and settlement services, investment portfolio services, and investment advisory services