Stream Finance xUSD Collapse Exposes DeFi Structural Risks

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Citing Jinse, the collapse of Stream Finance's xUSD stablecoin in early November 2025 has revealed deep structural vulnerabilities in the DeFi ecosystem. The event triggered a cascading failure across multiple synthetic stablecoins, including Elixir's deUSD, and exposed issues in risk management, transparency, and trust mechanisms. The xUSD model, which promised 18% annual returns on USDC deposits, relied on recursive leveraged strategies and opaque off-chain positions, with over 7.6 times leverage against verified collateral. The failure led to a 77% price drop within hours and a $285 million debt exposure across interconnected protocols. Analysts warn that the event reflects a recurring pattern in DeFi: unsustainable yields, circular dependencies, and lack of transparency, culminating in systemic risk and loss of user confidence.

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