Circle Freezes $12.6M USDC in Zama Protocol, Sparks Criticism

Stablecoin issuer Circle has frozen $12.6 million in USD Coin (USDC) tied to Zama, a privacy-focused protocol, in accordance with on-chain analyst ZachXBT. The freeze, which reportedly occurred with out prior discover, has reignited criticism over Circle’s means to unilaterally blacklist addresses and confiscate funds on the smart-contract stage.

In response to ZachXBT, the affected funds had been linked to Zama’s confidential USDC (cUSDC) good contract. The good contract was publicly labeled on blockchain explorers, and $12.4 million had been deposited into it by wallets related to the DeFi protocol In a single day Finance earlier in Could. In a single day Finance itself just lately confronted allegations of misappropriating treasury funds, additional muddying the waters.

“From my understanding, the Zama group doesn’t seem to have been notified of the Circle freeze prior,” ZachXBT acknowledged. This lack of communication has drawn sharp criticism from the crypto neighborhood, significantly since Zama customers’ funds seem to have been caught within the crossfire.

Selective Enforcement and a Rising Backlash

This isn’t the primary time Circle has come below scrutiny for its dealing with of USDC freezes. The corporate has been accused of selectively imposing freezes—appearing swiftly in some circumstances whereas allegedly neglecting others. For instance, following the $270 million Drift Protocol exploit in April 2026, Circle confronted backlash for failing to freeze $232 million in stolen funds, regardless of reportedly having a six-hour window to behave.

Critics argue that Circle’s actions reveal inconsistencies in its enforcement insurance policies. Whereas Circle claims freezes are executed solely below authorized directives, circumstances like Zama’s counsel a scarcity of transparency and due course of for professional crypto initiatives. ZachXBT additionally highlighted Circle’s failure to freeze roughly $420 million in funds tied to fraud and exploits in 15 separate circumstances since 2022.

Centralization Dangers in Stablecoins

USD Coin, one of many largest dollar-pegged stablecoins with a market cap of $76.37 billion as of Could 30, 2026, is usually lauded for its regulatory compliance. Nevertheless, its centralization has lengthy been a degree of competition. Circle retains full management over blacklisting addresses and freezing funds, a function that contrasts sharply with decentralized protocols and raises considerations about overreach.

Notably, Circle CEO Jeremy Allaire defended the corporate’s actions in April, stating that freezes happen solely below authorized obligations, not inside discretion. But, the Zama case, which lacks clear authorized context, is more likely to amplify requires higher oversight and accountability in stablecoin administration.

Market Response

The market influence of the freeze seems restricted for now. USDC stays secure, buying and selling at $0.9997 as of Could 30, with a negligible 24-hour value change of -0.01%. Nevertheless, the incident underscores ongoing considerations concerning the centralized management of fiat-backed stablecoins and their vulnerability to unilateral actions.

As regulatory scrutiny round stablecoins intensifies globally, incidents like Zama’s could function a wake-up name for each issuers and lawmakers to deal with the stress between compliance, person protections, and the ideas of decentralization.

For buyers and merchants, the case highlights the significance of understanding the trade-offs inherent in centralized stablecoins like USDC. Whereas they provide liquidity and regulatory assurances, the potential for abrupt freezes stays a threat issue that can not be ignored.

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