You’re spot on—fintech blends cutting-edge tech with rock-solid reliability. Most apps today use frameworks like React Native for the frontend and Node.js or Laravel on the backend. But what really matters is how the system handles security, speed, and scale. Peiko provides fintech application development services https://peiko.space/service/fintech-app-development and has built fintech apps that combine blockchain elements, smart contracts, and API integrations for banks or payment gateways. Whatever stack you choose, make sure it’s future-proof and flexible enough to grow with your user base.