Perancangan Prototipe Sistem Verifikasi Dokumen Akademik Berbasis Blockchain dengan Implementasi Protokol EIP-712 untuk Menjamin Integritas Data
Keywords:
Blockchain, Hyperledger Besu, EIP-712, Verifikasi Dokumen Akademik, Tanda Tangan DigitalAbstract
Penelitian ini merancang sebuah prototipe sistem verifikasi dokumen akademik berbasis blockchain untuk mengatasi kelemahan sistem terpusat yang rentan terhadap Single Point of Failure (SPoF) dan manipulasi data sistem. Sistem menggunakan privat blockchain Hyperledger Besu dengan konsensus QBFT serta protokol data terstruktur EIP-712 untuk menghasilkan tanda tangan digital yang human-readable. Data yang disimpan di blockhain direpresentaikan sebagai identityHash dan fileHash, kemudian ditandatangani dan disimpan di blockchain melalui API Middleware. Selain itu sistem menerapkan mekanisme zero-gas dan pemisahan antara relayer dan signer. Hasil pengujian menunjukan bahwa sistem memenuhi parameter transaksi blockchain berdasarkan NISTIR 8202, serta mampu memverifikasi integritas dokumen melalui pencocokan idendityHash dan fileHash dengaan data on-chain. Selain itu, transaksi juga berhasil dilakukan tanpa ada biaya gas pada jaringaan. Kode implementasi bisa diakses di halaman: https://github.com/rizkycahyono97/tasdiqi
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References
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