Muis, Muhammad Danil, Muhammad Rifki Fauzan, Parman Sukarno, and Aulia Arif Wardana. “Access Control and File Distribution Management for Electronic Diploma and Transcript Using Ethereum Smart Contract and InterPlanetary File System”. Jurnal Sistem Informasi 17, no. 2 (October 25, 2021): 48-61. Accessed November 30, 2021. https://jsi.cs.ui.ac.id/index.php/jsi/article/view/1093.