Dark Web Marketplaces: Inside the Underground Economy

**Executive Summary:** Zynia Labs profiles major dark web marketplaces and ecosystem trends, reporting that stealer logs have overtaken credit-card data in value, marketplaces act as an integrated supply chain from infostealer infection to credential resale and ransomware deployment, and key platforms (BriansClub, RussianMarket, STYX, B1ack Stash, Exodus, DeepMix) demonstrate high resilience to takedowns while Chinese-language markets remain under-monitored.