Payment methods research focuses on studying and analyzing various forms of payment systems, both traditional and digital, used by consumers and businesses to make transactions. This research area examines the efficiency, security, and convenience of different payment methods, as well as the adoption and acceptance of new technologies such as mobile payments, cryptocurrencies, and digital wallets. Researchers in this field also explore the impact of payment methods on consumer behavior, merchant relationships, and overall economic trends. The goal of payment methods research is to improve the effectiveness and reliability of payment systems, and to identify new opportunities for innovation and growth in the financial services industry.