MADIHA SADAF; AFSHAN FATIMA; RUQIYA FATIMA. A BLOCKCHAIN-BASED DECENTRALIZED FRAMEWORK FOR CERTIFICATE AUTHENTICATION AND ISSUER TRUST. American Journal of AI Cyber Computing Management, [S. l.], v. 6, n. 3, p. 663–670, 2026. DOI: 10.64751/ajaccm.2026.v6.n3.843. Disponível em: https://ajaccm.com/journal/index.php/ajaccm/article/view/843. Acesso em: 13 sep. 2026.