Providing temporary use of on-line non-downloadable software for development tools for developing, deploying, and executing computer systems, computer applications, and application programming interfaces (API); providing temporary use of on-line non-downloadable software for developing, deploying, and executing computer systems, computer applications, and application programming interfaces (API); providing temporary use of on-line non-downloadable software in the nature of open source computing software for development, deployment, and execution of scalable computer services on data container hosting platforms, servers, graphics processing units (GPU's), field programmable gate arrays (FPGA's), and neural network processors; providing temporary use of on-line non-downloadable software development tools for development, deployment, and execution of Function as a Service (FaaS) services on container hosting platforms, servers, graphics processing units (GPU's), field programmable gate arrays (FPGA's), and neural network processors; design and development of computer software for cloud storage of data; computer technology consulting services in the field of distributed ledgers and blockchain-based technology; providing temporary use of non-downloadable software for use in accessing, reading, tracking, and using blockchain technology