Stablecoin Depegs Explained: What Really Happens When a Digital Dollar Breaks the Buck

Stablecoins promise a constant $1, yet USDC has traded at $0.87, Tether’s USDT at $0.88, and Terra’s UST collapsed to virtually zero in a crash that erased roughly $40 billion. As recently as November 2025, a DeFi stablecoin called xUSD lost more than half its value in a single day. The Peg Is a Promise, […]