Ma, Yan, and Yiming Fang. “Current Status, Issues, and Challenges of Blockchain Applications in Education”. International Journal of Emerging Technologies in Learning (iJET) 15, no. 12 (June 26, 2020): pp. 20–31. Accessed April 28, 2024. https://online-journals.org/index.php/i-jet/article/view/13797.