CYBER SOVEREIGNTY CHALLENGES: A STRATEGIC FRAMEWORK FOR NATIONAL DATA PROTECTION USING BLOCKCHAIN AUTHENTICATION. Contemporary Journal of Social Science Review, [S. l.], v. 3, n. 3, p. 1314–1328, 2025. DOI: 10.63878/cjssr.v3i3.1100. Disponível em: https://contemporaryjournal.com/index.php/14/article/view/1100. Acesso em: 14 oct. 2025.