The Internet of Things (IoT) is a network of interconnected physical devices that autonomously collect and share data, significantly enhancing the functionality of various sectors, including finance, healthcare, retail, and tourism. In finance, IoT improves operational efficiency, enables real-time data analysis, enhances fraud detection, and streamlines accounting processes through automation. Future advancements in IoT promise personalized banking experiences via AI, streamlined loan approvals, and tailored insurance solutions.