Secure Smart Contract Engineering and Software Development Practices for Resilient FinTech Blockchain Systems. Advance Journal of Econometrics and Finance, [S. l.], v. 4, n. 2, p. 499–506, 2026. DOI: 10.63075/9d7jxm65. Disponível em: https://www.ajeaf.com/index.php/Journal/article/view/328. Acesso em: 15 may. 2026.