Gashi, K. and Hyseni, B. (2025) “Digital Signatures in the Modern Era: A Review of Cryptographic Progress and Post-Quantum Challenges”, International Journal of Innovative Technology and Interdisciplinary Sciences, 8(4), pp. 1082–1112. Available at: https://journals.tultech.eu/index.php/ijitis/article/view/318 (Accessed: 3 December 2025).