In the vibrant city of PropTech, Alexa, an ambitious young professional, embarks on the journey to purchase a home after years of savings. In the quest for the perfect mortgage, Alexa discovers Co-Serving, a revolutionary financial application using AI and blockchain. Co-Serving's advanced features, including a ChatDesk powered by ChatGPT, smart contracts on Ethereum, and integration with Pension Fund APIs, provide tailored mortgage options with a remarkable 1.5% interest rate. The application ensures security coding, and end-to-end encryption in Python. Advanced matching algorithms optimize mortgage suggestions based on Alex's criteria. Real-time feedback keeps Alexa informed during the decision-making process. In just a day and a half, Alexa successfully secures a low-interest mortgage through Co-Serving, appreciating the innovative and technologically advanced features that made homeownership a reality.