Electronic Theses and Dissertation

Kemajuan teknologi informasi dan efisiensi waktu telah mendorong transaksi melalui sistem digital, seperti sistem penjualan daring, e-marketplace. Di Indonesia, emarketplace yang ada saat ini masih menggunakan sistem data terpusat. Pada penelitian ini akan diterapkan pada transaksi e-marketplace berbasis ethereum blockchain untuk implementasi smart contract. Teknologi blockchain digunakan untuk mencatat dan menyimpan data transaksi e-marketplace secara terdistribusi dan tidak terpusat. Pengembangan Decentralized Applications (DApp) berbasis ethereum blockchain digunakan sebuah framework yang dinamai truffle. Untuk menjalankan ethereum local server digunakan ganache sebagai emulator blockchain, untuk menghubungkan aplikasi dengan blockchain digunakan aplikasi extention yang dinamai metamask. Berdasarkan hasil pengujian dan analisis smart contract, terdapat masalah pengoptimalan=2, masalah pemberitahuan=5, masalah rendah=0, masalah sedang=0, dan masalah tinggi=0. Pembayaran dan biaya, e-marketplace berbasis blockchain sebesar 0%, sedangkan e-marketplace konvensional sebesar 3% - 15%. Berdasarkan hasil analisis, maka dapat disimpulkan bahwa aplikasi e-marketplace dengan menerapkan smart contract berbasis ethereum blockchain yang terdesentralisasi ini mampu memberikan tingkat keamanan data yang lebih baik dari pada aplikasi e-marketplace dengan metode data terpusat, dan lebih efisien.

Advances in information technology and time efficiency have driven transactions through digital systems, such as online sales systems, e-marketplaces. In Indonesia, the existing e-marketplace still uses a centralized data system. This research will be applied to ethereum blockchain-based e-marketplace transactions for smart contract implementation. Blockchain technology is used to record and store e-marketplace transaction data in a distributed and non-centralized manner. The development of decentralized applications (DApp) based on the ethereum blockchain used a framework called truffle. To run ethereum local server used ganache as a blockchain emulator, to connect applications with blockchain used extention applications called metamask. Based on the test results and smart contract analysis, there are optimization problems = 2, notification problems = 5, low problems = 0, medium problems = 0, and high problems = 0. Payments and fees, blockchain-based e-marketplaces by 0%, while conventional e-marketplaces by 3% - 15%. Based on the results of the analysis, it can be concluded that the e-marketplace application by implementing a decentralized ethereum blockchain-based smart contract is able to provide a better level of data security than e-marketplace applications with centralized data methods, and more efficiently.