Miden to Launch USDCx With Circle’s xReserve Infrastructure

Key Highlights

Miden plans to launch USDCx, a USDC-backed stablecoin, alongside its mainnet later this month.
The stablecoin will probably be issued by way of Circle’s xReserve and backed 1:1 by USDC.
Transaction balances, counterparties, and historical past will stay personal by default on Miden.

Miden is making ready to launch USDCx, a privacy-focused stablecoin backed by USDC, because the zero-knowledge blockchain strikes towards its mainnet rollout later this month.

In line with a blog put up revealed Wednesday, the stablecoin will probably be issued natively on Miden by way of Circle’s xReserve infrastructure and backed 1:1 by USDC held in an xReserve sensible contract. In contrast to customary USDC transactions on most public blockchains, USDCx will maintain particular person balances, counterparties, and transaction histories personal by default.

Right this moment we're saying that USDCx on Miden is coming quickly: a local, @USDC-backed stablecoin, issued by Miden through @Circle xReserve.

Stablecoins on Miden will probably be personal by default.

Maintain and transact USDCx with out publishing your balances, counterparties, or cost historical past to… pic.twitter.com/r1DOFlIGLf

— Miden (@0xMiden) August 12, 2026

Miden introduced the deliberate launch on August 12, saying the stablecoin is meant to help funds and different monetary purposes the place transaction confidentiality is vital.

The Crypto Instances reached out to Miden for touch upon the USDCx announcement and deliberate launch however hadn’t acquired a response on the time of publication.

USDCx brings privateness to USDC infrastructure

USDCx will not be a separate greenback reserve system. As a substitute, Miden will use Circle’s xReserve mannequin to concern the token towards USDC reserves. Beneath the association, USDC deposited into xReserve gives the backing for USDCx, whereas the token operates natively on Miden.

Circle’s xReserve was designed to permit blockchains to concern USDC-backed representations with out counting on conventional third-party bridges. The mannequin has already been used to deploy USDCx on different networks.

In line with the DeFiLlama data as of August 12, USDC had a market capitalization of roughly $72.22 billion on the time of writing. The platform listed about 72.25 billion USDC in circulation, with one other 1.139 billion USDC marked as unreleased.

USD Coin (USDC) dashboard of August 12 at 23:21 IST | Supply: DeFiLlama

The figures present context for Miden’s deliberate USDCx launch, which is able to use Circle’s present USDC infrastructure fairly than introduce a separate dollar-reserve system.

Tradeweb already used USDCx for Treasury settlement

The deliberate Miden launch follows using USDCx in a real-world institutional transaction on Canton.

On July 1, Tradeweb completed a real-time transaction involving a tokenized U.S. Treasury and USDCx on the Canton Community. The transaction paired the tokenized Treasury with tokenized money and used Canton’s synchronized settlement infrastructure.

Franklin Templeton transferred the tokenized Treasury safety to Virtu Monetary, whereas Tradeweb dealt with execution and value discovery. The 2 belongings have been settled collectively onchain by way of Canton’s infrastructure.

The transaction confirmed one potential use of USDCx in institutional markets: utilizing a USDC-backed stablecoin because the money leg of a tokenized securities transaction.

Miden is taking the identical underlying USDC-backed mannequin right into a community the place transaction info is personal by default.

Public blockchain transparency creates privateness issues

The transfer comes as stablecoins increase past crypto buying and selling into funds, settlement, and monetary infrastructure. Public blockchains present clear transaction information, however that transparency can create issues for companies utilizing stablecoins for abnormal monetary exercise.

Payroll funds, treasury transactions, provider funds and company transfers can expose pockets addresses and transaction quantities that firms could not need publicly seen.

Miden argues that this creates a barrier for some institutional and business purposes. “On most public blockchains, each transaction is public. Each steadiness, each counterparty, each cost — seen to anybody, perpetually,” the corporate mentioned.

The problem will not be distinctive to Miden. Privateness-focused blockchain tasks have more and more explored methods to mix confidential transactions with the verification necessities of regulated finance.

Miden makes use of zero-knowledge proofs

Miden makes use of zero-knowledge proofs to execute and confirm transactions with out exposing their underlying particulars to the community. For USDCx, customers can transact privately whereas the stablecoin stays backed 1:1 by USDC by way of Circle’s xReserve.

Miden additionally helps selective disclosure, permitting customers to show info similar to a steadiness or transaction particulars to auditors, regulators, or counterparties when required. This strategy goals to steadiness transaction privateness with verifiability, which may very well be related for institutional customers that want compliance and audit capabilities with out publicly exposing all monetary exercise.

Funds and treasury purposes in focus

Miden mentioned builders are engaged on use circumstances together with:

Personal wallets
Stablecoin funds
Treasury administration
Payroll
Cross-border transfers
Different monetary purposes requiring selective disclosure

Furthermore, Miden mentioned USDCx will launch alongside its mainnet later this month. The undertaking started at Fb and later continued underneath Polygon earlier than turning into unbiased in 2025. It has backing from a16z crypto, 1kx and Hack VC.