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, based on on-chain analyst ZachXBT. The freeze, which reportedly occurred with out prior discover, has reignited criticism over Circle’s capability to unilaterally blacklist addresses and confiscate funds on the smart-contract degree.

In keeping with 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 group, notably 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 underneath scrutiny for its dealing with of USDC freezes. The corporate has been accused of selectively implementing freezes—performing 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 underneath authorized directives, circumstances like Zama’s counsel a scarcity of transparency and due course of for authentic crypto tasks. 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 commonly lauded for its regulatory compliance. Nonetheless, its centralization has lengthy been a degree of rivalry. Circle retains full management over blacklisting addresses and freezing funds, a characteristic 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 underneath authorized obligations, not inside discretion. But, the Zama case, which lacks clear authorized context, is prone to amplify requires higher oversight and accountability in stablecoin administration.

Market Response

The market impression of the freeze seems restricted for now. USDC stays steady, buying and selling at $0.9997 as of Could 30, with a negligible 24-hour worth change of -0.01%. Nonetheless, 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, consumer protections, and the ideas of decentralization.

For traders 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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