Y. AL-MATARI , N.; T. ZAHARY , A. A Conceptual Blockchain Architecture for Dynamic Spectrum Access in 6G CR-IoT Networks: An Analytical Review. Sana’a University Journal of Applied Sciences and Technology , [S. l.], v. 3, n. 6, p. 1467–1480, 2025. DOI: 10.59628/jast.v3i6.1953. Disponível em: https://journals.su.edu.ye/index.php/jast/article/view/1953. Acesso em: 19 jan. 2026.