42 Design and development of computer software for database communication, data management, and data aggregation; Document data transfer from one computer format to another; Platform as a service (PAAS) featuring computer software platforms for use in database communication, data management, and data aggregation; Cloud computing featuring software for use in database communication, data management, and data aggregation; Software as a service (SAAS) services featuring software for database communication, data management, and data aggregation; Data automation and collection service using proprietary software to evaluate, analyze and collect service data; Data conversion of electronic information; Data conversion of computer program data or information, other than physical conversion; Authentication of data in the field of token transactions using blockchain technology; Electronic storage of cryptocurrency for others; Providing temporary use of on-line non-downloadable computer software for use as an electronic wallet; Electronic storage of crypto tokens for others; Providing temporary use of non-downloadable web-based decentralized applications (DApps) for data aggregation, cryptocurrency trading, and oracle selection; Technological research in the field of data mining