Block chain-Powered Digital Certificate Verification System. Indian Journal of Engineering Research Networking and Development (Online ISSN:3048-7676), [S. l.], v. 2, n. 07, 2025. DOI: 10.1234/5a7cgj90. Disponível em: https://www.ijernd.com/index.php/2024/article/view/63.. Acesso em: 17 apr. 2026.