This book offers a clear and structured introduction to cryptocurrency and blockchain technology, explaining how decentralized digital systems operate and how they differ from traditional financial and institutional models. It covers core topics such as Bitcoin, blockchain architecture, cryptographic keys, wallets, mining, consensus mechanisms, and distributed ledgers, while also addressing issues related to security, privacy, regulation, and the economic role of digital currencies. The content places cryptocurrencies within a broader technological and financial context, focusing on how trust, transactions, and value are managed without central authorities. The book is intended for beginners, students, and general readers with little or no technical background who want to understand how cryptocurrencies work and why they have gained global relevance. It adopts an explanatory and educational approach, combining descriptive analysis, step-by-step explanations, and real-world examples to clarify complex concepts, progressing from basic definitions to more detailed discussions of network mechanics and practical usage.
