Key Takeaways
- Nearly half a dozen decentralized stablecoins have lost their pegs in 2025.
- The first week of November alone saw three major stablecoin depegs triggered by DeFi exploits.
- Combined, the depegs wiped out hundreds of millions in value and shattered investor confidence.
The cracks are starting to show in decentralized finance’s (DeFi) foundation.
In what’s shaping up to be DeFi’s worst stretch since the Terra-LUNA collapse of 2021, multiple stablecoins have lost their dollar pegs recently — some dipping as low as a few cents before partial recoveries.
From liquidity crunches to outright exploits, 2025 has become a stress test for DeFi stablecoins.
Why Do Stablecoins Depeg?
For all their promise of “stability,” DeFi stablecoins live on a fragile foundation of algorithms, incentives, and liquidity.
Most rely on complex loops — borrowing, staking, and re-depositing collateral — to maintain their peg.
When confidence falters or collateral prices drop too fast, the whole structure begins to unravel.
There are three common failure points:
Liquidity Crises:
When too many holders try to redeem their tokens at once, liquidity pools dry up.
This forces automated market makers (AMMs) to sell collateral at a discount, driving the peg even lower.
Collateral Shock:
Many stablecoins are backed by volatile assets like Ethereum (ETH) or Bitcoin (BTC).
When those prices fall, the collateral ratio shrinks, and redemptions can outpace recovery mechanisms — a problem that doomed Terra’s UST and continues to haunt similar designs.
Smart Contract or Oracle Failures:
Exploits, bad price feeds, or flawed code can send even a well-collateralized coin into a free fall.
When protocols like Balancer or Curve are compromised, the shock spreads across DeFi through interconnected pools.
A Perfect Storm for Depegs
The first week of November alone saw a wave of depegs ripple across the market, wiping out hundreds of millions in value and triggering flash liquidations across lending platforms.
Most of the affected coins weren’t traditional fiat-backed tokens like USDT or USDC — those only saw minor, short-lived dips.
The casualties were DeFi-native designs, including synthetic, algorithmic, or yield-bearing coins built on complex, interlocking systems.
When one protocol faltered, the rest tumbled like dominoes.
The early November Balancer exploit alone triggered liquidity black holes across Euler, Morpho, and Lista — the kind of “looping contagion” analysts have warned about since the last cycle.
Every Major Stablecoin Depeg of 2025
First Digital USD (FDUSD) – March 2025
FDUSD was the first to stumble, tumbling below $1 after whispers of reserve trouble spread online.
The sell-off drained liquidity and sparked panic withdrawals before the peg partially recovered.
Synthetix sUSD – April 2025
sUSD fell as low as $0.68 in April after a protocol update (SIP-420) changed collateral requirements.
The shift exposed vulnerabilities in the staking pool during a transition period, leaving sUSD briefly without a strong backstop before stabilizing around $0.80.
Ethena USDe – October 2025
USDe briefly plunged to $0.65 on Binance during October’s “Black Swan” liquidation event.
The drop was triggered by U.S. trade tariff fears and cascading liquidations worth nearly $19 billion across the crypto market — the largest in history.
Staked Stream USD (XUSD) – November 2025
XUSD collapsed by nearly 70% following the Balancer exploit, which exposed leverage traps and oracle mispricing.
Transparency issues around proof-of-reserves accelerated the panic, sparking mass withdrawals and contagion across other DeFi protocols.
StablesLabs USDX – November 2025
USDX plunged to $0.40 after liquidity vanished from Balancer V2 pools and borrowing costs spiked to over 800% APY.
A rushed oracle update triggered cascading liquidations across lending vaults, wiping out hundreds of millions of dollars in hours.
Elixir deUSD – November 2025
deUSD marked the fastest collapse since Terra’s UST.
Within 48 hours, it crashed to as low as $0.02.
The cause: exposure to the same liquidity black hole that took down XUSD and USDX, coupled with leveraged yield strategies that couldn’t unwind fast enough.
Yala YU — September 2025 | November 2025
Yala YU’s stablecoin has depegged for the second time in two months, following its first major break in September.
The stablecoin plunged 53% to $0.44, with trading volume collapsing by 98.7%.
It briefly lost its peg twice earlier in the day, staged a short-lived bounce, then slid to $0.42—where it remained stuck.
YAM had already warned users about bridge instability and borrowing pressure, and even backing from Polychain, Amber, and Galaxy was insufficient to maintain the peg.
The stablecoin’s depeg follows a severe exploit in which attackers minted 120 million YU tokens on Polygon and dumped them across several chains.
The incident exposed thin liquidity and deeper structural weaknesses in Bitcoin-collateralized DeFi models.
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Prashant Jha is a seasoned crypto journalist based in Delhi, India, with a Bachelor’s Degree in Computer Science Engineering. Passionate about the evolving world of blockchain and cryptocurrencies, he has been a dedicated voice in the industry since 2018. Prashant’s expertise lies in regulatory reporting, where he unravels complex legal and financial developments with clarity and precision. Before joining CCN in 2024, he honed his craft at Cointelegraph, establishing himself as a trusted name in crypto journalism.
His coverage spans major industry events, including the high-profile collapses of FTX, Three Arrows Capital (3AC), and LUNA, offering readers insightful analyses of their regulatory and market implications. Prashant’s technical background enables him to bridge the gap between intricate blockchain technology and its real-world applications, making his work accessible to novices and experts.
Beyond his professional pursuits, Prashant is an avid music enthusiast, often exploring diverse genres to unwind. A sports lover, he has a particular passion for cricket and frequently engages in discussions about the game. His multifaceted interests and sharp journalistic instincts make him a valuable contributor to CCN, where he continues shaping the crypto landscape's narrative.
