The Fintech ecosystem can serve not only as a great enabler, but also as a connector and gateway for smart cities development by riding the financial divide, connecting stakeholders, and promoting the development of alternate funding mechanisms for smart cities. Purpose-driven banking, impact investments, green and blue fintech are all trends that can greatly enhance smart cities development. By supporting sustainable and inclusive societies that use technologies in a responsible way green and blue fintech can augment many of the indicators used to calculate performance in the Global Smart City Index.