J. N. S. S., J. N. ., and G. . E. N. “A Novel Blockchain-Based Lightweight Encryption Technique in Fog Based IoT for Personal Healthcare Data Application”. International Journal of Intelligent Systems and Applications in Engineering, vol. 11, no. 3s, Feb. 2023, pp. 119 -, https://ijisae.org/index.php/IJISAE/article/view/2549.