Token issuer or protocolPrivacy liveCircle put a privacy-preserving USDC in production: USDCx launched on Aleo in January 2026 through its xReserve programme, aimed at payroll and settlement flows where public amounts are a problem. Arc Privacy, confidential contracts for Circle's own chain, was announced in June 2026 without a date. Worth noting alongside this: Circle blacklisted a third-party confidential USDC wrapper in May 2026, freezing 12.6 million dollars, which shows how much the design of the privacy layer matters to an issuer.
Private by design.
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