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Project Overview
Zama is a crypto privacy protocol that adds a layer of confidentiality to public blockchains. Homomorphic encryption (FHE) is a technology that enables processing data without decrypting it. This can be used to create private smart contracts on top of public, permissionless blockchains, where only specific users would be able to see the transaction data and contract states.
Zama founder: cUSDC freeze incident triggered by Overnight hack funds, cUSDC and other contracts suspended
Odaily Odaily founder Rand posted on platform X, stating that with the assistance of on-chain detective ZachXBT, the team has identified the root cause of the recent cUSDC freeze incident, which is unrelated to the Zama protocol itself or privacy technology. The incident originated when a wallet address associated with the Overnight Finance hack deposited over $12.5 million USDC into Zama's cUSDC wrapper contract. Since the address was not on any sanctions list at the time of deposit and was not flagged by KYT (Know Your Transaction) tools, the funds were able to enter the protocol.Rand stated that law enforcement agencies recently issued asset restriction orders against several wallets linked to the hacker. At that time, the cUSDC wrapper contract held relatively small funds, with over 99% coming from the aforementioned hacker address. Consequently, the court ordered the freezing of the entire wrapper contract to restrict the movement of the related funds. Rand emphasized that this measure is not a sanction against Zama or privacy protocols, but a common judicial freezing measure in the DeFi space.To cooperate with the investigation, Zama has suspended the operation of the cUSDC, cUSDT, and cWETH contracts until the investigation is complete, all involved addresses are identified, and corresponding measures are taken. Rand reiterated that Zama adheres to the principle of "compliant confidentiality" and will not tolerate any illegal activities. He also indicated that a more detailed post-mortem of the incident and a plan for handling similar requests in the future will be released subsequently.
Zama responds to cUSDC contract freeze incident: triggered by a related address's compliance mechanism, not targeted sanctions against the protocol
privacy computing protocol Zama posted on the X platform stating that Circle's compliance system flagged an external deposit address. Because this address held funds in the cUSDC contract, the entire cUSDC contract was included in a routine freeze measure. Zama emphasized that this incident is "collateral damage" caused by the affected address and is not a sanction action targeting the Zama protocol. Currently, Zama's legal team has intervened and is working with relevant parties to isolate the flagged address and restore normal access to funds for other unaffected participants as soon as possible.
Zama founder: cUSDC freeze incident triggered by Overnight hack funds, cUSDC and other contracts suspended
Odaily Odaily founder Rand posted on platform X, stating that with the assistance of on-chain detective ZachXBT, the team has identified the root cause of the recent cUSDC freeze incident, which is unrelated to the Zama protocol itself or privacy technology. The incident originated when a wallet address associated with the Overnight Finance hack deposited over $12.5 million USDC into Zama's cUSDC wrapper contract. Since the address was not on any sanctions list at the time of deposit and was not flagged by KYT (Know Your Transaction) tools, the funds were able to enter the protocol.Rand stated that law enforcement agencies recently issued asset restriction orders against several wallets linked to the hacker. At that time, the cUSDC wrapper contract held relatively small funds, with over 99% coming from the aforementioned hacker address. Consequently, the court ordered the freezing of the entire wrapper contract to restrict the movement of the related funds. Rand emphasized that this measure is not a sanction against Zama or privacy protocols, but a common judicial freezing measure in the DeFi space.To cooperate with the investigation, Zama has suspended the operation of the cUSDC, cUSDT, and cWETH contracts until the investigation is complete, all involved addresses are identified, and corresponding measures are taken. Rand reiterated that Zama adheres to the principle of "compliant confidentiality" and will not tolerate any illegal activities. He also indicated that a more detailed post-mortem of the incident and a plan for handling similar requests in the future will be released subsequently.
Privacy-preserving computation company Zama acquires TokenOps to deploy FHE-based encrypted token distribution solutions for institutional issuers
According to The Block, privacy computing company Zama has acquired TokenOps, an enterprise-grade token lifecycle management platform, with plans to integrate fully homomorphic encryption (FHE) into institutional-grade token vesting, airdrops, and equity structure management. Zama stated that TokenOps has processed over $2 billion in distributions. Following the acquisition, issuers will be able to execute end-to-end token distribution, release schedules, and recipient identity verification—all on-chain and encrypted—based on the ERC-7984 Confidential Token standard. This solution is already live in production at KAIO, whose partner institutions include BlackRock, Hamilton Lane, and Brevan Howard. TokenOps will continue operating under its independent brand post-acquisition.
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Zama Founder: Court Lifts Temporary Restraining Order on cUSDC Contract, Protocol Now Fully Operational
: Rand, founder of privacy protocol Zama, posted on platform X, stating that the freeze on Zama’s cUSDC contract has been lifted, and all systems have resumed normal operation.According to his introduction, the US court had previously, without prior notice, ordered Circle to temporarily freeze a protocol contract worth $12.5 million in USDC held by Zama. The court has now deemed the freeze unreasonable and revoked the Temporary Restraining Order (TRO). The related cUSDC contract and assets have been fully restored.Rand stated that this incident did not affect the team's trust in USDC, and Zama still plans to launch the cUSDC product later this month.
Zama founder: cUSDC freeze incident triggered by Overnight hack funds, cUSDC and other contracts suspended
Odaily Odaily founder Rand posted on platform X, stating that with the assistance of on-chain detective ZachXBT, the team has identified the root cause of the recent cUSDC freeze incident, which is unrelated to the Zama protocol itself or privacy technology. The incident originated when a wallet address associated with the Overnight Finance hack deposited over $12.5 million USDC into Zama's cUSDC wrapper contract. Since the address was not on any sanctions list at the time of deposit and was not flagged by KYT (Know Your Transaction) tools, the funds were able to enter the protocol.Rand stated that law enforcement agencies recently issued asset restriction orders against several wallets linked to the hacker. At that time, the cUSDC wrapper contract held relatively small funds, with over 99% coming from the aforementioned hacker address. Consequently, the court ordered the freezing of the entire wrapper contract to restrict the movement of the related funds. Rand emphasized that this measure is not a sanction against Zama or privacy protocols, but a common judicial freezing measure in the DeFi space.To cooperate with the investigation, Zama has suspended the operation of the cUSDC, cUSDT, and cWETH contracts until the investigation is complete, all involved addresses are identified, and corresponding measures are taken. Rand reiterated that Zama adheres to the principle of "compliant confidentiality" and will not tolerate any illegal activities. He also indicated that a more detailed post-mortem of the incident and a plan for handling similar requests in the future will be released subsequently.
Zama responds to cUSDC contract freeze incident: triggered by a related address's compliance mechanism, not targeted sanctions against the protocol
privacy computing protocol Zama posted on the X platform stating that Circle's compliance system flagged an external deposit address. Because this address held funds in the cUSDC contract, the entire cUSDC contract was included in a routine freeze measure. Zama emphasized that this incident is "collateral damage" caused by the affected address and is not a sanction action targeting the Zama protocol. Currently, Zama's legal team has intervened and is working with relevant parties to isolate the flagged address and restore normal access to funds for other unaffected participants as soon as possible.
ZachXBT: Zama cUSDC Contract Frozen Funds May Be Linked to Overnight Finance
"on-chain detective" ZachXBT posted on his personal channel, stating that upon further analysis, Circle has blacklisted the cUSDC contract of privacy protocol Zama on Ethereum. An address deposited approximately $12.4 million USDC into the Zama protocol on May 11, 2026, and this address is linked to Overnight Finance. Recently, the project initiated a governance vote on Snapshot to allocate treasury funds after users accused the team of conducting a rug pull.Previously, it was reported that the cUSDC contract of the Zama protocol on the Ethereum chain has been blacklisted by stablecoin issuer Circle.
ZachXBT: Circle Blacklists Zama Protocol's cUSDC Contract on Ethereum Chain
Odaily News “On-chain detective” ZachXBT posted, stating that stablecoin issuer Circle blacklisted the Confidential USDC (cUSDC) contract of privacy protocol Zama on Ethereum approximately 7 hours ago, resulting in the freezing of approximately $12.6 million USDC within the contract.ZachXBT noted that this cUSDC contract is publicly labeled in Zama's official documentation and on block explorers. The specific reason for Circle freezing the related USDC is currently unknown. ZachXBT also pointed out that in March 2026, he disclosed that Circle had frozen over 16 hot wallet addresses belonging to enterprises, protocols, and service providers without providing transparent explanations.
Privacy-preserving computation company Zama acquires TokenOps to deploy FHE-based encrypted token distribution solutions for institutional issuers
According to The Block, privacy computing company Zama has acquired TokenOps, an enterprise-grade token lifecycle management platform, with plans to integrate fully homomorphic encryption (FHE) into institutional-grade token vesting, airdrops, and equity structure management. Zama stated that TokenOps has processed over $2 billion in distributions. Following the acquisition, issuers will be able to execute end-to-end token distribution, release schedules, and recipient identity verification—all on-chain and encrypted—based on the ERC-7984 Confidential Token standard. This solution is already live in production at KAIO, whose partner institutions include BlackRock, Hamilton Lane, and Brevan Howard. TokenOps will continue operating under its independent brand post-acquisition.