- Resolv Labs confirmed the exploit hit the issuance mechanics of its USR stablecoin, causing a dramatic depeg to as low as $0.14.
- The attacker minted tens of millions in unbacked tokens, dumping them for approximately $24 million worth of Ether (ETH) and crashing the token’s value.
- Major DeFi protocols raced to contain fallout, with some pausing markets, while security experts pointed to a likely operational key compromise as the root cause.
- The firm stated its core collateral pool remains intact, and analysts assess the risk is concentrated in specific strategies rather than system-wide contagion.
Resolv Labs scrambled Sunday to contain an exploit that shattered its USR stablecoin’s dollar peg, after an attacker created and dumped tens of millions in unbacked tokens through decentralized finance pools. The incident, confirmed by the team, knocked USR’s price down 86% to a low of $0.14 before a partial recovery to $0.42, according to data from CoinGecko.
Onchain data shows the attacker converted most of the minted USR into Ether, netting roughly 11,400 ETH worth about $24 million. Independent analysts noted that millions more of the token were still being liquidated into the market.
Consequently, major DeFi protocols moved swiftly to reassure users and limit exposure. Lido Finance and Aave founder Stani Kulechov each stated their platforms’ user funds were safe, with Kulechov adding that Resolv was repaying its outstanding debt.
Meanwhile, security firm Cyvers assessed the damage as “relatively concentrated” in specific lending and yield strategies rather than widespread. Several protocols, including Euler and Venus, took precautionary actions like pausing affected markets to prevent spillover.
However, the breach occurred despite Resolv’s smart contracts undergoing multiple audits. Security firm Pashov, which performed one review, suggested the root cause was likely an operational security flaw like a private key compromise, not a design failure.
Cyvers VP Michael Pearl argued that, while audits are necessary, real-time monitoring is critical to detect such minting anomalies as they emerge. The firm maintains its collateral pool is fully intact and the issue is isolated to the token’s issuance mechanics.
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