BALDI, M.; CHIARALUCE, F. A trusted cryptocurrency scheme for secure and verifiable digital transactions. First Monday, [S. l.], v. 22, n. 11, 2017. DOI: 10.5210/fm.v22i11.6981. Disponível em: https://firstmonday.org/ojs/index.php/fm/article/view/6981. Acesso em: 27 may. 2022.