Secure and Efficient Decentralized Payment Systems Using Blockchain and Advanced Fraud Detection. Annual Methodological Archive Research Review, [S. l.], v. 4, n. 4, p. 367–381, 2026. DOI: 10.66021/. Disponível em: https://www.amresearchjournal.com/index.php/Journal/article/view/1984. Acesso em: 14 oct. 2026.