Building on this foundation, this book examines the major vulnerabilities, attack vectors, and threats targeting smart contracts, including execution manipulation, access-control flaws, and economic exploits. It also reviews existing analysis tools, vulnerability-detection techniques, and defensive strategies, including secure coding practices, formal verification, runtime monitoring, and governance mechanisms.

By integrating theoretical concepts, practical tools, and recent research developments, this professional book provides researchers, developers, and cybersecurity professionals with a structured understanding of smart contract security. It also includes emerging challenges and future directions in this rapidly evolving field.