E. A. Kravtsov, A. Y. Anisimov, A. E. Trubin, and E. N. Tokmakova, “The concept of increasing transparency and protecting the public procurement system based on blockchain technology”, ГС, vol. 27, no. 3, pp. 58–66, May 2025, Accessed: Nov. 08, 2026. [Online]. Available: https://gosudarstvennaya-sluzhba.owebs.ru/article/view/653