Providing temporary use of online non-downloadable software for processing electronic payments; 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; Providing temporary use of on-line non-downloadable computer software for use as an electronic wallet; Providing temporary use of on-line non-downloadable computer software for use as a digital wallet; Providing on-line non-downloadable computer software for use as a cryptocurrency wallet; Providing temporary use of online non-downloadable software for cryptocurrency trading; Development of mobile payment software; Providing virtual computer systems through cloud computing; Providing user authentication services using blockchain-based software technology for cryptocurrency transactions; Providing user authentication services using biometric hardware and software technology for e-commerce transactions; Design and development of artificial intelligence (AI) software; Providing temporary use of online non-downloadable computer chatbot software for simulating conversations; Research in the field of computer natural language processing; Providing computer programming services to customers that enables the customer's website to process natural language queries; Computer programming services for customers that enables the customer's digital devices to process natural language queries from end users; Intelligent voice recognition services using cloud-based software technology; Application service provider featuring application programming interface (API) software; Providing temporary use of on-line non-downloadable software development tools; Providing online non-downloadable software development tools for creating blockchain-based applications provided by a blockchain as a service (BAAS) provider; Design and development of software for machine learning; Providing online, non-downloadable application programming interface (API) software for collecting, verifying, and transmitting information via a blockchain data feed to smart contracts; Software as a service (SAAS) services featuring software for collecting, verifying, and transmitting data and information for use in blockchain-based smart contracts; Providing online, non-downloadable software for collecting, verifying, and transmitting information via a blockchain data feed to smart contracts; Artificial intelligence as a service (AIAAS) services featuring software using artificial intelligence for designing custom algorithms for use in digital advertising