Adiyanto, Adiyanto, and Rizki Febrianto. “Authentication Of Transaction Process In E-Marketplace Based On Blockchain ??Technology”. Aptisi Transactions on Technopreneurship (ATT) 2, no. 1 (February 29, 2020): 68–74. Accessed October 4, 2025. https://att.aptisi.or.id/index.php/att/article/view/71.