Proposed Framework for Official Document Sharing and Verification in E-government Environment Based on Blockchain Technology. Baghdad Science Journal, Iraq, Baghdad, v. 19, n. 6(Suppl.), p. 1592, 2022. DOI: 10.21123/bsj.2022.7513. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/7513.. Acesso em: 2 may. 2024.