A recent market upheaval, which saw $1 billion in redemptions of Ethena Labs’ synthetic dollar, USDe, was caused by a Binance exchange pricing system malfunction, not a flaw in the USDe protocol itself, according to Ethena’s founder, Guy Young.
Young asserted in a detailed X (Twitter) post that Ethena’s system—including minting, redemption, and collateral functions—operated perfectly, processing over $1 billion in withdrawals in hours without downtime.
The Binance “Glitch”
Ethena claims the chaos was confined to Binance, where the exchange’s internal oracle began referencing its own spot prices instead of broader, deeper on-chain market data. This caused USDe’s quoted value to briefly collapse on the exchange.
- Systemic Stress: Analyst Pavel Altukhov noted that Binance’s unified collateral system (which allows various assets like USDe and wBETH to be used as margin) amplified the problem. When prices dipped, automated liquidations were triggered across the platform to maintain margin requirements, creating a powerful wave of sell pressure.
- Arbitrage Failure: Market makers, who typically restore the peg, were reportedly sidelined due to exchange lag and deposit freezes.
- Manipulation Questions: Some analysts, like ElonTrades, questioned if the event was an intentional exploitation of Binance’s internal price feeds to trigger liquidations.
DeFi Escapes Unscathed
A key point of defense for Ethena is that decentralized finance (DeFi) money markets (like Curve and Fluid) were largely unaffected. These protocols typically use a “hardcoded” 1:1 peg to assets like USDT or USDC, or reference deep on-chain liquidity pools, effectively ignoring Binance’s temporary price dip. This prevented unnecessary liquidations in DeFi, a move welcomed by researchers like Wang Xiaolou.
Tether CEO Paolo Ardoino seized the moment to promote USDT as a “liquid, tested by fire” collateral choice, warning against using low-liquidity tokens for margin trading.
Ethena Pushes for Transparency and Oracle Reform
In response to the incident, Ethena has focused on improving transparency and risk management:
- It released detailed guidance on Oracle design to distinguish between “temporary dislocation” and “permanent impairment” of collateral.
- The protocol is offering real-time Proof-of-Reserves (PoR) access to exchanges and oracle providers (including Chainlink and Chaos Labs) for on-demand verification of USDe’s backing.
Structural Concerns Remain
Despite Ethena’s defense, analysts warn that the incident exposed a significant structural vulnerability: the deep interlinkage between centralized finance (CeFi) and DeFi. The event proves that pricing data from a single centralized exchange can ignite systemic stress across the entire ecosystem.
Analyst Duo Nine, while acknowledging Ethena’s protocol held, cautioned that if the next panic starts in the DeFi space, the protocol’s redemption speed might not be enough, maintaining the view that USDe remains a high-risk asset.
October 2025, Cryptoniteuae
