Blockchain serves as the fundamental structure for cryptocurrencies and finds its applications spanning sectors such as finance, government, and media. Honoring a tradition of empowering tech enthusiasts with actionable insights, this updated edition of Mastering Blockchain has been revised and expanded in line with the most recent advancements in blockchain research. This edition features new sections on decentralized finance, decentralized identity, blockchain privacy, scalability, security, and exclusive online material discussing alternative blockchains - making it a must-read for those seeking a profound comprehension of blockchain. While this book acquaints you with the essentials, like the technical foundation of blockchain, cryptography, and consensus protocols, it also delves into advanced subjects and practical skills, like the development of decentralized applications (DApps) through smart contracts. As you navigate the book, you will discover blockchain solutions extending beyond cryptocurrencies, such as IoT integration with blockchain, enterprise blockchains, and tokenization, while gaining a glimpse into the future potential of this intriguing and revolutionary technology. Upon completing this comprehensive guide to blockchain, you will possess an in-depth understanding of the numerous aspects of blockchain and realize the capability of this technology within a myriad of real-world applications.