Khizar Hameed received his PhD in Information Technology from the University of Tasmania, Australia, in 2022. Before this, he received his B.S. and M.S. degrees in Computer Sciences from the University of Gujrat, Pakistan and the COMSATS Institute of Information Technology, Islamabad, Pakistan, in 2013 and 2016, respectively. From 2016 to 2018, he was a full-time lecturer with the Department of Computer Science, University of Management and Technology, Sialkot, Pakistan. His main research interests include cryptography, security, and privacy in blockchain applications, especially in the Internet of Things.