VIRMANI, N. . Enhancing Certificate Validation with Block Chain:: A secure and efficient approach . Journal of IMS Group, [S. l.], v. 21, n. 1, 2025. Disponível em: https://journal.ims-ghaziabad.ac.in/index.php/journal-ims-group/article/view/70. Acesso em: 20 oct. 2025.