Institutional Repository UIN Sunan Kalijaga YogyakartaMITIGASI RISIKO TRANSAKSI JUAL BELI MELALUI PLATFORM FACEBOOK MARKETPLACE DALAM PERSPEKTIF FATWA DSN-MUI TENTANG JUAL BELI BERDASARKAN PRINSIP SYARI’AHNIM.: 22103080065Sabdo Gallih JatiauthorRisk mitigation in digital transactions has become a critical issue alongside the widespread use of Facebook Marketplace as a trading platform, despite the platform's lack of formal consumer protection mechanisms such as escrow, seller verification, or dispute resolution systems. This study aims to analyze the legal status of Facebook Marketplace as an electronic trading platform, analyze the practice of buying and selling transactions on Facebook Marketplace from the perspective of DSN-MUI Fatwas, and evaluate the effectiveness of these fatwas as a risk mitigation instruments for consumers. This research employs normative legal research with a descriptiveanalytical approach. Primary data sources include DSN-MUI Fatwa No. 144 and 146/2021, Law No. 8 of 1999 on Consumer Protection, and the ITE Law. Secondary data sources encompass fiqh muamalah texts, risk management literature, and previous studies. Data analysis was conducted qualitatively using the framework of Consumer Protection Theory, Vaughan's Risk Management Theory, and Ma'alat al- Af'al Theory as analytical tools. Facebook Marketplace does not meet the criteria as an Electronic System Trading Operator (Penyelenggara Perdagangan Melalui Sistem Elektronik/PPMSE) as stipulated in Government Regulation No. 80 of 2019 and Minister of Trade Regulation No. 31 of 2023, thus placing it in a legally ambiguous status—functionally conducting e-commerce activities yet administratively not subject to the PMSE regulatory regime. The findings reveal that out of eight core provisions of the DSN-MUI Fatwa, only one is partially fulfilled (ijab-qabul in an electronic assembly), while seven other provisions are systematically unfulfilled, including clarity of the transaction object, prohibition of tadlis, gharar, ghisy, and najasy, khiyar rights, dispute resolution mechanisms, seller verification, and consumer complaints. The DSNMUI Fatwa is proven to be methodologically sound ijtihad based on reading the ma'alat mafsadah of unstandardized digital transaction practices. However, its effectiveness as a risk mitigation instrument remains limited due to three fundamental obstacles: the absence of enforcement mechanisms against foreign platforms, weak socialization of the fatwa to users, and the dependence of implementation on voluntary compliance. Consequently, financial and spiritual risks (transactions containing gharar and tadlis) continue to occur without being structurally prevented by the fatwa. This research recommends strengthening collaboration between DSN-MUI, the government, and platforms to close regulatory gaps and enhance sharia literacy among consumers in digital transactions.297.273 Ekonomi Islam / Fiqih Muamalah2026-06-29UIN SUNAN KALIJAGA YOGYAKARTA;FAKULTAS SYARI’AH DAN HUKUMThesis

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