Syed Irfan Raza Naqvi, Zheng Jiang Bin, Ahmad Mohsin, Muhammad Pervaz Akhter, and Ali Mustafa. “Architecting Secure, Scalable, Lightweight Block Chains for IoT-Driven Smart Buildings Using Direct Acyclic Graphs and Smart Contracts”. Journal of Computing & Biomedical Informatics (April 1, 2024). Accessed June 29, 2024. https://jcbi.org/index.php/Main/article/view/451.