ARSITEKTUR SMART CONTRACT DINAMIS UNTUK SERTIFIKAT PENDIDIKAN SEKOLAH DASAR BERBASIS BLOCKCHAIN DAN CHATBOT AI

research
  • 10 Mar
  • 2026

ARSITEKTUR SMART CONTRACT DINAMIS UNTUK SERTIFIKAT PENDIDIKAN SEKOLAH DASAR BERBASIS BLOCKCHAIN DAN CHATBOT AI

Pemalsuan dan duplikasi dokumen sertifikat pendidikan masih menjadi permasalahan
dalam pengelolaan arsip akademik, khususnya pada jenjang sekolah dasar. Proses
verifikasi yang masih bersifat manual dan terpusat menyebabkan rendahnya
transparansi serta sulitnya memastikan keaslian dokumen. Penelitian ini bertujuan
untuk merancang dan mengimplementasikan sistem sertifikasi pendidikan sekolah
dasar berbasis blockchain guna menjamin keaslian dan integritas dokumen sertifikat.
Sistem yang dikembangkan memanfaatkan teknologi blockchain sebagai media
penyimpanan data sertifikat yang bersifat terdistribusi dan tidak dapat diubah. Setiap
dokumen sertifikat diproses melalui mekanisme hashing menggunakan algoritma
SHA-256 untuk menghasilkan nilai hash unik sebagai identitas dokumen. Proses
registrasi dan validasi sertifikat dilakukan melalui smart contract, sedangkan alur
otomatisasi sistem diimplementasikan menggunakan workflow n8n yang terintegrasi
dengan Telegram Bot sebagai antarmuka pengguna.
Hasil pengujian menunjukkan bahwa sistem mampu membedakan sertifikat yang baru
dan sertifikat yang telah terdaftar sebelumnya secara konsisten. Dokumen dengan
konten yang sama menghasilkan hash identik sehingga terdeteksi sebagai duplikat,
sementara dokumen yang berbeda menghasilkan hash yang berbeda dan
diregistrasikan sebagai transaksi baru pada blockchain. Dengan demikian, sistem ini
mampu meningkatkan keandalan proses verifikasi sertifikat serta menyediakan jejak
audit yang transparan dan dapat dipercaya.

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