The emergence of blockchain technology and Bitcoin has transformed the financial landscape, introducing a decentralized finance (DeFi) ecosystem that challenges traditional banking and economic systems. The technology enables secure, transparent, and immutable transactions, while Bitcoin, as the first cryptocurrency, has set the foundation for a digital, decentralized currency system. This case study explores the impact of blockchain and Bitcoin on the financial industry, the rise of decentralized finance, the benefits and challenges of these technologies, and the future potential of...