TURKANOVIĆ, Muhamed and PODGORELEC, Blaž, no date, Signing blockchain transactions using qualified certificates. [online]. Vol. 24, no. 6, p. 37–43. [Accessed 14 March 2025]. DOI 10.1109/MIC.2020.3026182. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=82691