An advanced and secure framework for conducting online examination using blockchain method. - Md Rahat Ibne Sattar; Md. Thowhid Bin Hossain Efty; Taiyaba Shadaka Rafa; Tusar Das; Md Sharif Samad; Abhijit Pathak; Mayeen Uddin Khandaker; Md Habib Ullah (Cyber Secur. Appl., 2023)