Yala's Bitcoin-backed stablecoin, YU, has failed to restore its dollar peg after an alleged attack on Sunday, causing its value to plummet to $0.2046. The Yala team confirmed the incident, stating it "briefly impacted YU's peg" and that they are investigating with security partners. To prevent further instability, Yala has disabled its Convert and Bridge features, assuring users that all other protocol functions and assets remain safe.
Key Takeaways
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YU, a stablecoin backed by overcollateralized Bitcoin, lost its dollar peg following an "attempted attack."
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The Yala team has paused certain product features, including Convert and Bridge, to ensure stability.
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Blockchain analytics firms suggest the attacker minted 120 million YU tokens and sold a portion for USDC, converting it to ETH.
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Despite a partial recovery to around $0.917, YU continues to struggle to maintain its $1 peg.
The Attack and Its Aftermath
The incident began early Sunday when YU's peg was significantly disrupted, sending its price to a low of $0.2046. The Yala team acknowledged the attack on X (formerly Twitter), assuring users that all deposited Bitcoin reserves remain safe and self-custodial or in vaults. They are collaborating with blockchain security firm SlowMist and other partners to investigate the breach.
Attacker's Actions and YU's Reserves
According to blockchain analytics firm Lookonchain, the attacker allegedly minted 120 million YU tokens on the Polygon network. Subsequently, 7.71 million YU were bridged and sold across Ethereum and Solana for 7.7 million USDC. The attacker then converted the USDC into 1,501 ETH and distributed these funds across multiple wallets. The attacker reportedly still holds a significant amount of YU tokens, both bridged and unbridged.
YU is designed to maintain a $1 peg through overcollateralized Bitcoin reserves. However, data from DEX Screener indicates that the YU stablecoin pool on Ethereum has only $340,000 in USDC liquidity, a fraction of its reported $119 million market cap.
Efforts to Restore Stability
In response to the depegging event, Yala has temporarily disabled its Convert and Bridge functions. The team stated that all other protocol functions remain unaffected and user assets are secure. They have advised users to wait for an official announcement before re-engaging with the paused features. Despite efforts, YU has struggled to regain its intended $1 peg, trading around $0.7869 at the time of reporting.
Broader Stablecoin Market Context
The stablecoin market is approaching a $300 billion milestone, with major players like Tether (USDT) and Circle's USDC leading the growth. However, YU's depegging incident highlights the ongoing challenges and risks within the stablecoin ecosystem. Past events, such as the depeg of TerraUSD (UST) and temporary disruptions for Tether, underscore the volatility that can affect even established stablecoins. Regulatory efforts, like the U.S. GENIUS Act, aim to address some of these concerns, but gaps in oversight remain.
Sources
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Yala’s Bitcoin-Backed YU Stablecoin Struggles to Reclaim Peg After Exploit, Cointelegraph.
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Polychain-Backed Yala Stablecoin YU Crashes to $0.20 After Protocol Attack, Yahoo Finance.
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