ZachXBT Flags Possible $10M StablR Exploit as EURR and USDR Stablecoins Sink 20%

TLDR:

• ZachXBT linked multiple wallets to the reported StablR exploit involving nearly $10 million.
• EURR and USDR dropped over 20% as traders rushed to exit amid liquidity pressure.
• Security teams reportedly froze six figures while the exploit remained active on-chain.
• Investigators suspect compromised multi-signature access rather than a smart contract failure.

StablR exploit concerns rattled the stablecoin market after investigators flagged a possible $10 million breach tied to the issuer’s contracts.

The incident pushed EURR and USDR sharply below their pegs, while blockchain analysts tracked suspicious wallet activity and emergency fund freezes in real time.

StablR Exploit Triggers Sharp EURR And USDR Depeg

On-chain investigator ZachXBT identified suspicious outflows from two contracts linked to the European stablecoin issuer. The breach reportedly drained nearly $10 million and quickly sparked panic across the market.

The incident hit both EURR and USDR within hours. Traders rushed to exit positions as the stablecoins lost more than 20% of their intended value against fiat benchmarks. Liquidity pools struggled to absorb the sudden wave of selling pressure.

ZachXBT stated that the attacker’s wallet received funds via the CCTP bridge on Noble before the exploit occurred. He later published the primary wallet address alongside seven additional addresses allegedly connected to the attack.

The market reaction intensified after the exploit became public. Stablecoins depend heavily on redemption confidence, especially during volatile periods. Once doubts emerged around treasury access and reserve safety, liquidity conditions deteriorated rapidly.

StablR positions USDR as a MiCA-compliant ERC-20 stablecoin backed by segregated reserves, including cash and short-term government bonds.

However, the exploit immediately shifted focus toward reserve management and operational safeguards protecting the platform’s infrastructure.

ZachXBT later confirmed that a six-figure amount had been frozen during the live response effort. His update also suggested that the exploit remained active for several hours before broader mitigation efforts accelerated.

Multi-Signature Security Faces Renewed Industry Pressure

Early findings indicate the StablR exploit may have originated from compromised private keys rather than a direct smart contract vulnerability. Blockchain security researchers pointed toward weaknesses surrounding multi-signature wallet governance.

Multi-signature systems are designed to prevent unilateral treasury access by requiring multiple approvals before transactions are executed.

However, attackers can still gain control if critical signer credentials become exposed or governance structures remain overly concentrated.

The incident renewed debate around operational security standards within the stablecoin sector. Market participants questioned how much separation existed between reserve management systems and minting infrastructure tied to the affected contracts.

Attention also shifted toward the response speed during the exploit. ZachXBT claimed the StablR team appeared inactive while the breach continued unfolding on-chain. That statement fueled additional concerns among traders monitoring reserve-backed stablecoins.

Despite the emergency freezes, uncertainty continues surrounding the recovery process for EURR and USDR. Investors remain focused on whether liquidity conditions can stabilize and whether reserves remain sufficient to support redemptions.

The StablR exploit now joins a growing list of treasury-related crypto security failures. Analysts continue tracking the flagged wallets as investigators monitor fund movements across multiple blockchain networks.

The post ZachXBT Flags Possible $10M StablR Exploit as EURR and USDR Stablecoins Sink 20% appeared first on Blockonomi.