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Penerapan teknologi blockchain berbasis smart contract untuk meningkatkan keamanan transaksi finansial online Wirayuda, Steven Aprianto; Lailiyah, Siti; Fajri, Ahmad
Jurnal Simantec Vol 14, No 1 (2025): Jurnal Simantec Desember 2025
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/simantec.v14i1.29893

Abstract

The digital transformation in the financial sector demands a transaction system that is not only fast and efficient but also secure and transparent. This study explores the application of blockchain technology as a solution to the problems found in centralized online financial transaction systems that are vulnerable to manipulation. The objective of this research is to design a blockchain-based financial transaction security system architecture that can be evaluated through a conceptual simulation approach. This study uses a descriptive qualitative method with tools such as Ganache, MetaMask, and Remix IDE to simulate smart contract-based transactions within a local blockchain environment. The novelty of this research lies in the integration of a security system modeling approach with realistic scenario-based simulations, which is rarely discussed in previous studies. The research contributes by producing a modular system architecture that integrates key components—users, smart contracts, validators, and regulators—into a cohesive workflow applicable to various digital financial platforms. Simulation results show that the proposed system enhances security, accelerates transaction validation, strengthens auditability, and reduces operational costs compared to conventional transaction systems. This study provides a strong foundation for the broader development of blockchain-based financial systems that are more resistant to external attacks.Keywords: System Architecture, Blockchain, Transaction Security, Smart Contract, Simulation
Co-Authors Agus Munandar Agustina Ahmad Suriansyah Akmalia, Siti Alvia, Refy Alviannor , Muhammad Alwi, Wildan Amal, Muhammad Ikhlashul Amanda, Arizka Ana Nurhasanah, Ana Anggia Murni Annur, Shohifah Anreani, Neni Apandi, Rudi Arham, Muhammad Agus Faadhilah Arif Rahman Hakim Arman Husni Armanto, Nuruddin Arnida Arnida Asihani, Asihani Asnan, Phil Gusti Baladah, Salva Sakha Cahyaningtiyas, Ayu cahyono, didik Citra Azhariat Malasar Daryati, Daryati Dongoran, M Fadli Edi Mulyana Fachry Abda El Rahman Fajar Sidik Siregar Fama, Eugene Fauzi, Lutfi Muhammad Fauzi, Muhammad Sukron Guntur Yulisatria Hadi Sumarno Haikal, Mohammad Fikri Huda, Muchamad Samsul I Wayan Mangku Iglana, Rohta Ikhsan Mujahid Ilhami, Ilhami Indarwati, Uli Mas’uliyah Islamy, Diah Putri Ismail, Azmi Jems Sopacua Lailatul Husna Maharani, Amanda Dwi Maharani, Putri Ayu Maimunah Maryeni, Sri Mispani MK, Samsul Moulida, Dhelia Rahma Muhammad Fahmi MUHAMMAD FAHMI Muhammad Natsir Kholis Muhammad Yusuf Naheria, Naheria Nirvi Lestari , Adinda Nuraina, Kurnia Putri, Tasya Devita Qomariyah Qomariyah Raden Mohamad Herdian Bhakti Radiatul Adawiyah Rajiansyah, Rajiansyah Ramadhani, Nabila Ratna Sari Dewi Retno Sulistiyowati Rofiah, Nur Ronaldi, Irvan Ro’is, Muhammad Safitri, Rosalinda Nur Salsabilah, Rani Saniah Widya, Nur Septiwi, Indah Sholichah, Aas Siti Sigit Setiawan Siti Lailiyah, Siti Sutinah Sutinah Sutomo Sutomo Taruk Bua, John Alexandro Tavriyanti, Lisa Tiur Elysabeth Viogenta, Pratika Wahab, Abd. Azis Wahab, Abdul Aziz wahyuni wahyuni Wathan, Nasrul Wirayuda, Steven Aprianto Yudistira, Ayuni Yulianto Yulianto Zuhri, Fuad Minan Zulqaiyyim, Zulqaiyyim