Blockchain Security-Efficiency Analysis based on DEA-SBM Model. The Eurasia Proceedings of Science, Technology, Engineering and Mathematics, [S. l.], v. 23, p. 202–208, 2023. DOI: 10.55549/epstem.1365786. Disponível em: https://www.epstem.net/index.php/epstem/article/view/642. Acesso em: 19 jan. 2026.