Forex and cryptocurrency markets, due to their high volatility, continuous data flow, and increasing information complexity, provide a platform for the formation of information asymmetry among traders. In such an environment, retail traders not only face difficulties in accessing reliable information, but also face serious limitations in filtering, interpreting, and effectively applying data. This article examines the role of financial technology (FinTech) in reducing information asymmetry and enhancing sustainable profitability of traders through a conceptual-analytical review based on content analysis and theoretical synthesis of the existing literature. The main argument of the article is that FinTech can improve the quality of information processing and pave the way for more accurate decision-making by increasing information transparency, reducing data search costs, facilitating access to relevant information, and filtering information noise. As a result, improving the quality of decision-making can reduce trading errors, strengthen risk management, and enhance the sustainability of trading performance in the long term. Accordingly, FinTech is analyzed in this article not simply as a speed tool, but also as a mechanism to improve the quality of information and reduce the information gap among traders.