“…Blockchain applications range from Internet of Things applications to digital rights management, pharmaceuticals, financial transactions, and securing commerce [8] . Bitcoin was the first user of Blockchain [9] technology in addition to being used in securing bitcoin transactions, Blockchain technology ISSN : 1978-8282, Online ISSN: 2655-4275 also utilized securing the authenticity level of Diploma [10] , transcript value [11] , verifying authenticity in a written work of certificate archiving poem [12] , improving security in transacting in crowdfunding platforms [13] , certificate security [14][15] [16][17] , lecturer certification program [18] , as Smart Digital Signature [19] , design of product tracing system [20] , utilization in education [21][22] , as security of STNK and SIM [23] , used in content copyright data system [24] , Evoting [25] , security of the presence system [26] , and can be used in the security of e-commerce transaction process [27] . Blockchain is also applied with other technologies such as IoT and smart cities [28], [29], [30] .…”