BELHOCINE, Ixtel. Blockchain-Based Credentialing in Online Education: A Review of Trust, Verification, and Academic Transparency Mechanisms. International Journal of Recent Advances in Engineering and Technology, [S. l.], v. 14, n. 1, p. 235–244, 2025. Disponível em: https://journals.mriindia.com/index.php/ijraet/article/view/1861. Acesso em: 1 apr. 2026.