“Penerapan Teknologi Blockchain Sebagai Media Pengamanan Proses Transaksi E-Commerce”. CESS (Journal of Computer Engineering, System and Science) 5, no. 1 (January 31, 2020): 28–32. Accessed March 27, 2026. https://jurnal.unimed.ac.id/2012/index.php/cess/article/view/14893.