abouT The auThors Shailesh holds a Bachelor in Engineering in Computer Science and Engineering and is currently pursuing a doctoral degree in Computer Science. Shailesh has completed an executive management program from the Indian Institute of Management, Calcutta. Shailesh holds numerous professional certifications such as TOGAF 9 certification, Oracle Certified Master (OCM) in Java EE5 Enterprise Architect certification, IBM Certified SOA Solution Designer, and IBM Certified Solution Architect Cloud Computing Infrastructure. He is the sole author of four technical books on digital technologies, which were published by reputed publishers, and has published twelve technical white papers related to digital technologies. Shailesh is the sole inventor of two granted US patents (US9613341 and US10108601) and holds two more patent applications, and is a frequent speaker at events such as IEEE conferences and Oracle JavaOne. Shailesh has also published more than 10 research papers in various international journals. Sourabhh Sethii is a Technology Analyst at Infosys Technologies Limited. His areas of expertise include Blockchain, Internet of things (IoT), machine learning (ML), Java enterprise technology, front-end frameworks, and integration technology. He has hands-on experiences with many technologies like database integration, continuous integration, and security, along with performance analysis and web frameworks like Angular and Node. Sourabhh has worked on multiple domains such as banking, finance, and manufacturing. He has achieved multiple honors like “Most Valuable Player,” “Insta Awards,” and “Best Employee Award” from the heads of his unit in Infosys. He has published many technical white papers. Sourabhh holds Master degree in Software Systems specialized in Data Analytics from Bits Pilani, Rajasthan, India. xviii