An attacker exploited StablR's multisig wallet to mint $13.5 million in unbacked stablecoins, triggering sharp depeg events across both EURR and USDR tokens.

EURR collapsed to $0.85, while USDR crashed as low as $0.40 after the attacker dumped approximately $10.4 million in face value onto decentralized exchanges. The tokens operate as collateralized stablecoins backed by real-world assets, but the unauthorized minting bypassed these backing requirements entirely.

The exploit targeted the protocol's multisig authorization mechanism, suggesting a compromise of one or more signing keys. This allowed the attacker to bypass standard issuance controls that normally enforce the collateral-to-token ratio. StablR's architecture depends on multiple parties approving token mints to prevent exactly this type of attack.

The massive sell pressure from the dumped tokens overwhelmed liquidity pools on major DEXs. USDR's 60-cent drop from its $1.00 peg represents near-total loss of value for holders, while EURR's descent below $0.85 similarly destroys confidence in the token's stability claims.

StablR serves as a bridge between traditional finance and crypto, enabling euro and dollar denominations on-chain. The protocol attracts institutional participation by combining blockchain efficiency with real-world asset backing. This breach fundamentally compromises that value proposition.

Recovery depends on whether StablR can identify the compromised key holder and implement emergency measures to freeze unbacked tokens. Protocols have successfully restored pegs after similar events through token burns and treasury rebalancing, but confidence damage typically persists for months.

The incident highlights persistent multisig risks across DeFi infrastructure. Hardware wallet improvements and threshold cryptography solutions have reduced these vulnerabilities elsewhere, but governance-critical private keys remain attack vectors when inadequately protected.

Affected users face immediate liquidity crises. Stablecoin holders typically depend on maintaining peg value for portfolio stability and trading. Depeg events of this magnitude can trigger