Access Control and File Distribution Management for Electronic Diploma and Transcript using Ethereum Smart Contract and InterPlanetary File System. J. Sistem Inf. (J. Inf. Sys.) [Internet]. 2021 Oct. 25 [cited 2024 Jul. 7];17(2):48-61. Available from: https://jsi-test.pusilkom.com/index.php/jsi/article/view/1093