Febrian Daffa Eka Putra, and Dwi Fatrianto Suyatno. “Design and Construction of Certificate Authenticity Verification System Based on ICP Blockchain at Maxy Academy”. Journal of Education Technology and Information System , vol. 2, no. 01, Aug. 2025, pp. 31-43, doi:10.26740/jetis.v2i01.41469.