USDC (USDC)

What USDC is

USDC is a stablecoin designed to hold a value of one US dollar, issued by regulated affiliates of Circle. Circle states that USDC is fully backed by "highly liquid cash and cash-equivalent assets," redeemable one-for-one for US dollars, and that the company is the most licensed stablecoin issuer in the world, with a published list of its regulatory authorizations. As of 31 August 2026, Circle reported $73.3 billion of USDC in circulation (source: Circle, USDC page).

USDC is used the way a dollar balance is used: as the settlement leg of trades, as a way to move value between exchanges and wallets, and as the unit of account inside many defi applications. It is a claim on an issuer, not a native blockchain asset.

For where to buy USDC in your country or state, see the availability tables on this page and the venue list at Exchanges.

How it works

USDC is a token deployed as a contract on other people's blockchains rather than a coin with its own network. As of 29 June 2026, Circle states that USDC operates natively on 35 blockchains, including Ethereum, Solana, Polygon, Arbitrum, and Base, "with more expected in the future" (source: Circle, USDC page).

Native issuance matters. A natively issued USDC on a given chain is minted and redeemed by Circle on that chain, rather than being a wrapped token backed by a bridge contract. From a user's point of view the practical consequence is the same as with any multi-chain token: USDC held on one network cannot be received at an address on another, and choosing the wrong network on a withdrawal loses the funds.

The peg is maintained through creation and redemption at the issuer, not by an algorithm or a collateral pool on-chain. Circle describes two paths. Institutions mint and redeem directly through Circle Mint. Individuals and small businesses generally go through exchanges, neobanks, and digital wallets, including partners in the Circle Alliance Program. Between those primary-market flows, the exchange price is set by ordinary supply and demand, which is why USDC can trade a fraction of a cent away from a dollar at any moment.

Custody of the reserves is deliberately separated from Circle itself. Circle states that the majority of reserves sit in the Circle Reserve Fund (USDXX), an SEC-registered money market fund, custodied at The Bank of New York Mellon and managed by BlackRock.

Supply and tokenomics

USDC has no supply cap, no emission schedule, and no burn mechanism in the usual crypto sense. Tokens are created when dollars are deposited and destroyed when they are redeemed, so circulating supply is a demand readout rather than a policy.

There is no staking yield paid to USDC holders by the issuer, and holding the token is not the same as owning a share of the reserve fund. Any yield you see quoted on USDC comes from a third party lending or deploying it, and that party's credit risk is what you are actually taking.

What stands behind the token is the interesting number, and Circle publishes it on a fixed cadence. The combination of a monthly attestation and daily fund-level reporting is a stricter disclosure regime than the quarterly cycle common elsewhere in the sector, and it is the primary evidence a holder can check.

Circulation figures move with market conditions. The $73.3 billion reported as of 31 August 2026 is a point-in-time number, and Circle updates it on its own page rather than on a fixed schedule.

History

USDC's documented history is best read through its reserve structure and its regulatory posture, both of which Circle dates precisely.

On the reserve side, the move to hold the majority of backing in the Circle Reserve Fund, an SEC-registered money market fund custodied at The Bank of New York Mellon and managed by BlackRock, put the assets inside an existing regulated wrapper with its own reporting obligations. That is a different arrangement from holding reserves as an unaudited pool of commercial paper and bank deposits, and it is the reason daily fund-level data exists at all.

On the regulatory side, Circle states that USDC qualifies as a "Covered Stablecoin" under the US Securities and Exchange Commission's April 2025 Statement on Stablecoins, and on that basis asserts that USDC is not a security (source: Circle, USDC page). Circle also maintains a published list of the licenses and authorizations held by its issuing affiliates, and describes itself as the most licensed stablecoin company globally.

On distribution, the chain footprint has expanded steadily, reaching 35 native blockchains as of 29 June 2026. Each addition is an issuance decision by Circle rather than a community deployment.

Risks and what to watch

Issuer risk comes first. USDC is a liability of a company, and the token's value depends on the reserves behind it and on the issuer's ability to honor redemptions. The monthly attestations and the daily reserve fund reporting are the documents that matter; a price chart showing a dollar tells you nothing about solvency.

Banking risk is the specific version of that. Reserves held as cash sit at banks, and a stablecoin's peg has historically come under pressure when a reserve bank has failed rather than when the issuer has. Watch where the cash portion is held and how concentrated it is.

Chain and bridge risk applies to the 35 networks USDC is issued on. A halt or a serious bug on one chain affects the tokens there. Bridged or wrapped representations of USDC that Circle did not issue carry the bridge's risk on top, and they are not always clearly labeled on smaller venues.

Regulatory treatment is jurisdiction-specific and moves. Stablecoin rules can restrict which tokens an exchange may offer to residents of a given country, and a delisting can force conversion on short notice. RampAtlas tracks that by jurisdiction because it changes more often than the token's mechanics do.

Frequently asked questions

Who issues USDC and what backs it?

USDC is issued by regulated affiliates of Circle. Circle states the token is fully backed by highly liquid cash and cash-equivalent assets, with the majority held in the Circle Reserve Fund (USDXX), an SEC-registered money market fund custodied at The Bank of New York Mellon and managed by BlackRock.

How often are USDC reserves verified?

Circle states that it publishes monthly reserve attestations conducted by Big Four accounting firms, and that daily independent third-party reporting on the reserve fund is publicly available via BlackRock. As of 31 August 2026, Circle reported $73.3 billion of USDC in circulation.

Can you redeem USDC for dollars directly?

Institutions can redeem one-for-one through Circle Mint. Individuals and small businesses generally redeem through exchanges, neobanks, and digital wallets, including Circle Alliance Program partners, rather than dealing with the issuer directly.

Which blockchains support USDC?

As of 29 June 2026, Circle states USDC is native on 35 blockchains, including Ethereum, Solana, Polygon, Arbitrum, and Base. Tokens on one chain cannot be received at an address on another, so confirm the network before withdrawing and compare each chain's network fee.

Is USDC a security?

Circle states that USDC qualifies as a "Covered Stablecoin" under the SEC's April 2025 Statement on Stablecoins and is therefore not a security. That is the issuer's stated position, and treatment differs between jurisdictions. See where to buy USDC for the venues that serve your region and Exchanges to compare them.