WuBlockchain
On-chain investigator ZachXBT disclosed Friday that Circle may have blacklisted the contract address of privacy protocol Zama's confidential USDC (cUSDC) on Ethereum roughly seven hours before the post, freezing around $12.6 million in user funds. The address had recently participated in an Overnight Finance governance vote on treasury allocation, and some users had previously accused the Zama team of conducting a rug pull.
Why it matters
ZachXBT also flagged that one of the plaintiffs in a civil lawsuit against Overnight Finance is Patagon Management, a firm known for hostile DAO takeovers and attacks on protocol residual value. He suggested the plaintiff may have misrepresented the connection between the frozen address and the Zama contract to the court, and that the Zama team appears to have received no prior notice before the freeze was executed.
Market impact
A freeze on a composable, privacy-oriented USDC wrapper without notice to the issuing team sets a precedent every stablecoin issuer now has to price into their threat model — particularly wrappers that obscure the underlying holder. The $12.6M figure is contained; the structural read is not.
Frequently asked questions
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What did ZachXBT say Circle did to the Zama cUSDC contract?
ZachXBT disclosed that Circle may have blacklisted the Zama cUSDC contract address on Ethereum, freezing approximately $12.6 million in user funds around seven hours before his post.
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Why was the Zama cUSDC address flagged in the first place?
The address had recently participated in an Overnight Finance governance vote on treasury allocation, and some users had previously accused the Zama team of conducting a rug pull.
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What role does Patagon Management play in the case?
Patagon Management is one of the plaintiffs in a civil lawsuit against Overnight Finance. ZachXBT suggested the plaintiff may have misrepresented the connection between the frozen address and the Zama contract to the court.
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Did the Zama team get notice before the freeze?
ZachXBT indicated the Zama team appeared to have received no prior notice before Circle executed the freeze on the contract address.
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Why does this matter beyond the $12.6M frozen?
A freeze on a composable, privacy-oriented USDC wrapper without notice to the issuing team sets a precedent every stablecoin issuer has to price into their threat model — particularly wrappers that obscure the underlying holder.
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