With blockchain underpinning cryptocurrencies and improving IoT security, this book uncovers the evolution of blockchain (1.0 to 4.0) and its applications. It also introduces AI, discussing its development, paradigms, and industry-wide impact. The book explores the integration of cryptography, blockchain, and artificial intelligence (AI) in areas such as big data, bioinformatics, IoT, 5G, and Industry 4.0. It highlights how these technologies drive the digital revolution, enabling multi-agent systems, autonomous models, and enhanced security.

Ankita is an Assistant Professor in Computer Science at Pranveer Singh Institute of Technology, Kanpur, India. She has a B.E. (2013) in Computer Science and Engineering from Nagpur University and MTech (2016) and PhD (2020) degrees from Birla Institute of Technology, Mesra, Ranchi, India in Computer Science and Engineering. Her fields of interests are grid computing, artificial intelligence and computational intelligence. She has authored research papers in journals and conference proceedings, and book chapters indexed in Scopus and SCIs. She has been assigned as reviewer for SCI indexed journals and IEEE conferences.

Nayancy is an Assistant Professor in the Department of Computer Science and Engineering, Pranveer Singh Institute of Technology, Kanpur, India. She has a PhD from Birla Institute of Technology, Mesra, Ranchi, India. Her research interests include cryptography, lightweight cryptography, blockchain and data mining. She has research papers published in reputed journals, conference proceedings and has also authored a reference book.

Rajat Verma has a B.Tech. (Hons) degree in Computer Science and Engineering from Dr A.P.J. Abdul Kalam Technical University, Lucknow, India. He has MTech and PhD degrees in Computer Science and Engineering from Amity University, Uttar Pradesh, India. He is an Associate Professor in the Department of Computer Science and Engineering at Pranveer Singh Institute of Technology, Kanpur, India. He has over 50 papers published in reputed journals, international conferences and book chapters on blockchain, IoT, security and machine learning. He has published seven patents, one of which received a grant from the Australian Government. He has also received the Platinum Developer Award at the REC-BOOTATHON for developing 5 Virtual Lab Experiments in coordination with IIT Bombay and IIT Kanpur. His areas of interest are blockchain, cyber security, computer networks, data mining, and IoT. He has been assigned as a reviewer for a few SCI-indexed journals and IEEE conferences.