In the past few years, blockchain technology has experienced a surge in popularity, largely due to its association with the groundbreaking digital currency Bitcoin. At its core, blockchain relies on distributed ledger technology, which is a decentralized database system. This technology is renowned for its ability to provide decentralization, resistance to attacks, and tamper-proof attributes, making it highly desirable for a wide range of applications beyond just monetary transactions. Notably, blockchain has emerged as a promising solution for addressing the challenges of privacy and security in the Internet of Things (JoT) domain.this book aims to present a comprehensive overview of the recent advancements and solutions in blockchain technology, with a particular focus on leveraging artificial intelligence (AI) approaches.