Siregar, U. A. F. S., Y. Sitepu, M. Marpaung, S. Sitindaon, F. Tobing, and S. Sudarto. “Blockchain Approach As A Digital Identity Security Solution In Banking Digital Transformation”. Jurnal Media Computer Science, Vol. 5, no. 1, Jan. 2026, pp. 31-38, doi:10.37676/jmcs.v5i1.10316.