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About the reviewers

Fabio Cossini is a digital solutions architect at Avanade Inc., working with clients on their application modernization journeys. He is also a technologist and enterprise architect for general cross-industry and cross-technology solutions focused on digital transformation. Since 2012, he has dedicated his career and academic research to IoT, the cloud, analytics, cognitive computing, and blockchain, supporting companies to redefine their business models.

I would like to thank Ênio J. Moura and Maximiliano "Max" Santos for the opportunity to collaborate on this book. Their work will be of great help to those interested in learning IoT and blockchain, and how these technologies will shape the future of business.

Sanket Thodge is the founder of Pi R Square Digital Solutions Pvt Ltd and is a corporate trainer by profession, based in Pune, India. Sanket is the author of the book Cloud Analytics with Google Cloud Platform, and is writing another, Blockchain with Artificial Intelligence. With expertise in big data, Sanket has explored the cloud, IoT, machine learning, and blockchain. He has applied for a couple of patents in IoT and has worked with numerous start-ups and MNCs, providing consultancy and corporate training.

Xun (Brian) Wu has over 17 years' extensive hands-on experience of design and development in blockchain, big data, the cloud, UI, and system infrastructure. A coauthor of Blockchain By Example, Hyperledger Cookbook, Blockchain Quick Start Guide, and Seven NoSQL Databases in a Week, he has also technically reviewed over 50 technical books for Packt Publishing. He serves as a board advisor for several blockchain start-ups and owns several patents on blockchain. He holds a computer science master's degree from NJIT and lives in New Jersey with his two beautiful daughters, Bridget and Charlotte.

I would like to thank my parents, wife, and kids for their patience and support throughout this endeavor.