Blockchain Implementation for Digital Financial Transaction Data Security. West Science Information System and Technology, [S. l.], v. 3, n. 03, p. 176~184, 2025. DOI: 10.58812/wsist.v3i03.2538. Disponível em: https://wsj.westsciences.com/index.php/wsist/article/view/2538. Acesso em: 3 feb. 2026.