AI-Based Fraud Detection in Digital Payment Systems. International Journal of Emerging Research in Computer Science, [S. l.], v. 2, n. 1, p. 1–9, 2026. DOI: 10.59828/ijercs.v2i1.7. Disponível em: https://ijercs.com/index.php/ijercs/article/view/7. Acesso em: 3 jun. 2026.