42 Computer network design and computer software design of computer software for tracking, managing, auditing, securing, monetizing and accessing of data; Design and development of computer software for digital, electronic, and distributed ledger technology systems for use in database management, data storage, and data security systems; Design of computer networks and software for others for the temporary use of online non-downloadable cloud computing storage of data, providing statistical analysis, transactional data management, and the production of notifications and reports