This book provides a comprehensive and in-depth exploration of decentralized insurance, its impact on the insurance sector, its ethical implications, and its potential to transform the insurance industry. It explores the underlying technologies, such as blockchain, smart contracts, and DApps, that drive the decentralization of insurance services. Additionally, it examines various decentralized insurance models, including Peer-to-Peer, Parametric, and On-Demand Insurance, and their benefits and ethical considerations. It also addresses the challenges and opportunities for innovation and sustainability in the context of decentralized insurance. Its didactic approach, global perspective, and forward-looking vision will provide readers with valuable knowledge to grasp decentralized insurance's complexities, potentials, and challenges, making it a valuable resource for academics, industry professionals, policymakers, and blockchain enthusiasts.