The present study was conducted with the aim of future research on smart marketing in the Iranian banking system with a focus on decentralized autonomous organizations and providing functional suggestions. This research is applied-developmental in terms of purpose and qualitative in terms of method with an exploratory and future-oriented approach. The research participants included senior and middle managers of commercial banks, experts in the field of marketing and digital transformation of banking, and financial technology and blockchain specialists who had sufficient experience and knowledge in the field of smart banking and decentralized mechanisms. Sampling was conducted using a purposive method and theoretical saturation was achieved with the participation of 15 people. Data were collected through semi-structured interviews focusing on emerging trends, key drivers, influential uncertainties, and the desired future of smart marketing. Data analysis was conducted based on the Heinz and Bishop foresight framework and using MaxQuda and Scenario Wizard software. The findings showed that the future of smart marketing in the Iranian banking system is fundamentally shaped by two fundamental uncertainties, namely the level and speed of adoption of decentralized autonomous organizations and the response of banking regulatory institutions. Scenario analysis indicates that achieving the desired future requires regulatory support and adaptation, technological capacity building, social trust building, and strengthening international cooperation. In general, the transition from traditional marketing models to transparent and smart governance based on decentralized mechanisms is a strategic necessity to improve the effectiveness, transparency, and competitive sustainability of the country's banking system.