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A shocking market anomaly occurred in the early morning of October 11th Beijing time. The third-largest global stablecoin USDe plummeted from $1 to $0.65 on a major exchange, causing a rapid devaluation of $14 billion in market cap within a short period. The entire event is a textbook example of a market crash.
**Flash Crash Timeline**
At 02:17, the price remained at $1.00, but just 13 minutes later at 02:30, it crashed to $0.65. The market experienced a difficult recovery lasting over two hours, only barely rebounding to around $0.995 by 04:24. The entire process from start to relative stabilization took only 127 minutes, during which full liquidation, panic selling, and on-chain liquidations occurred repeatedly.
**Why Did It Flash Crash?**
First, look at the yield design. This stablecoin once boasted an annualized yield of up to 50%, but these returns did not come from traditional US Treasury interest income. Instead, they were built on high leverage operations and complex arbitrage strategies—essentially a game of hot potato.
Next is the domino effect. Once the collateralization ratio fell below the risk threshold, the protocol triggered a frantic redemption mechanism. At the same time, a large amount of stETH was dumped and sold off, causing the market to instantly lose the necessary liquidity support. This triple blow directly triggered a system-wide collapse.
The deepest issue lies in the breakdown of trust. People suddenly realized that so-called high-yield stablecoins are fundamentally a confidence game. The algorithms and mechanisms cannot truly guarantee safety. Once market expectations reverse, all promises are shattered.
**A Reminder to the Community**
The underlying logic of the crypto world is simple: when you focus on others’ annualized yields, they are already eyeing your principal. The so-called high-yield stablecoins are actually carefully designed harvesting schemes. The greater the attraction, the deeper the trap. Next time you see products claiming ultra-high returns, remember to ask yourself one more question: why?