Role of IoT and Blockchain: Techniques and Applications provides an informative collection of chapters on the emerging issues, challenges, and new methods and state-of-the-art technologies in the Internet of Things and blockchain technology. It presents case studies and solutions that can be applied in the current business scenario, resolving challenges and providing solutions by integrating IoT with blockchain technology. The book addresses the growing attention that blockchain technology is receiving from industry and research because of its ability to provide “magical solutions” to problems associated with classical centralized architecture. The chapters also discuss how the Internet of Things (IoT) represent a revolution of the Internet that can connect nearly all environment devices over the Internet to share data to create novel services and applications for improving quality of life. Although the centralized IoT system provides countless benefits, it raises several challenges.