Quantum and Blockchain technology innovations have recently gained a lot of attention and have been integrated with other contemporary technologies for numerous applications. As a result, these applications achieve sustainability, robustness, scalability, security, accountability, and efficiency. Thus, this book covers the principles, terminologies, methods, protocols, and sustainability of quantum and blockchain technology. Furthermore, it provides insights into numerous challenges associated with other domains of computer science. In addition, the book provides various opportunities to integrate the quantum and blockchain technology-based sustainable solutions that incorporate low-cost, quality of services, secure and faster delivery of services for future demands in the fields such as cryptography, artificial intelligence (AI), machine learning (ML), deep learning (DL), computer vision, healthcare, autonomous vehicles, transportation, information, and communication theory. The information in this book is extremely useful for readers and practitioners in different fields including chemistry, mechanical and automotive engineering, healthcare, computer science, data science, and business analysis specialists in combining both basic and advanced level principles.