T. H. Hasan, Ramadan, and Siddeeq Y. Ameen. “Security Enhancement of IoT and Fog Computing Via Blockchain Applications”. Journal of Soft Computing and Data Mining, vol. 2, no. 2, Oct. 2021, pp. 26-38, https://publisher.uthm.edu.my/ojs/index.php/jscdm/article/view/8943.