Marketplace Trust & Safety: A Comprehensive Guide

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Online marketplaces face growing fraud risks, including account takeovers, synthetic identities, triangulation schemes, wash trading, and AI-generated fake profiles, with global fraud losses projected to exceed $343 billion by 2027 according to Juniper Research. The guide argues that sustainable marketplace growth depends on a proactive, layered trust-and-safety strategy built around identity verification, real-time transaction monitoring, reputation systems, and fair dispute resolution. It emphasizes that identity checks such as document verification, liveness detection, biometrics, device analysis, and behavioral signals can reduce fraud, while KYC and AML compliance helps prevent money laundering and regulatory penalties, particularly for high-value or financial transactions. It also stresses balancing security with a low-friction verification experience to avoid harming user conversion, and presents Didit as an API-based platform offering modular identity verification, AML screening, fraud signals, custom workflows, and reusable KYC capabilities.

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