QIANG, Guanglei; QI, Xiangyuan; FAN, Zhuokun. VB-CP-ABE: An Improved CP-ABE Scheme Based on Blockchain Collaboration and Fine-Grained Version Control. Journal of Computing and Electronic Information Management, [S. l.], v. 20, n. 2, p. 18–24, 2026. DOI: 10.54097/k1p48v79. Disponível em: https://jceim.org/index.php/ojs/article/view/153. Acesso em: 28 feb. 2026.