What is USDC?

USDC (USD Coin) is a dollar stablecoin issued by Circle. Like other stablecoins, it is meant to stay worth about one US dollar, so you can hold a stable balance on a blockchain and move it quickly without the price swings of Bitcoin or Ether. If you are asking what USDC is and how it differs from the coins around it, this guide covers who stands behind it, how its reserves are reported, the networks it runs on and how to swap it on ThinSwap.

Circle, reserves and attestations

Circle mints new USDC when a verified business client deposits dollars, and burns USDC when that client redeems it for dollars. This mint-and-redeem loop is what keeps the market price close to one dollar: whenever USDC drifts, large holders can profit by closing the gap.

The backing is the part people care about most. Circle states that USDC reserves are held in cash and short-term US Treasuries, and it publishes regular attestations from an accounting firm comparing reserves with the tokens in circulation. That focus on simple, liquid assets and recurring reports is a big reason many businesses and apps prefer USDC.

Two caveats keep the picture honest. First, an attestation is a snapshot, not a guarantee about the future. Second, Circle, like other centralised issuers, can freeze USDC at specific addresses. USDC is designed for stability and transparency, but it is still a token controlled by a company.

Where USDC lives: networks supported on ThinSwap

Circle issues USDC natively on several blockchains. Each version is a separate token on its own chain, with its own address format and fee coin. On ThinSwap you can use USDC on:

Notice how many networks share the 0x format. An Ethereum address is also a valid Arbitrum, Base, Polygon or BNB Chain address, so the format alone will not warn you if you pick the wrong chain. Before sending, confirm that the wallet or exchange receiving your USDC supports that exact network. For details on specific versions, see the USDC ERC20 page and the USDC on Solana page.

When people use USDC

• Parking value. Selling a volatile coin into USDC locks in a dollar value while keeping the money on-chain.
• Apps and DeFi. Many on-chain apps on Ethereum, its layer 2s and Solana use USDC as their main dollar unit.
• Payments and payouts. Businesses sometimes prefer USDC because of its reserve reporting.
• Moving between chains. Converting USDC from one network to another is often the cheapest way to get a dollar balance where you need it.

Some people simply prefer USDT because more platforms list it on networks like TRON. If you are weighing the two, read USDT vs USDC before choosing.

How to swap to and from USDC on ThinSwap

ThinSwap works without registration and gives you a fixed rate. Common routes include:

• USDT to USDC if you want Circle’s coin instead of Tether’s.
• USDC to USDT when a platform only accepts USDT.
• ETH to USDC to lock in the value of your Ether.

The steps are the same for every pair:

1. Pick the pair and the network you want to receive USDC on.
2. Enter the amount and your receiving address. A refund address and an email or Telegram contact are optional.
3. Send the exact amount shown, including every decimal, to the deposit address on the stated network. The decimals identify your order. If your exchange charges a withdrawal fee, add it so the exact figure arrives.
4. Watch the order page and keep the order ID. It moves through Deposit, Confirming, Sending and Completed, and shows our outgoing transaction hash when your coins are on their way.

Your rate is fixed for 30 minutes after the order is created. The quote you see before confirming already subtracts the 0.4% service fee and a small network fee for the coin you receive, so the number shown is what lands in your wallet. Orders go from 20 USD to 1,000,000 USD, expressed in the coin you send, and most finish within 5 to 30 minutes. Deposits on Ethereum, BNB Chain, Solana and other EVM networks are detected automatically once included in a block.

Common mistakes to avoid

• Sending USDC on Base to an exchange that only credits USDC on Ethereum.
• Forgetting that you need a little ETH, BNB, SOL or POL to move USDC later.
• Rounding the deposit amount, which makes the order harder to match.
• Pasting an address without checking the first and last characters.

What to do with your USDC

Once you hold a stable balance, you can keep it, move it or spend it. Gamers, for example, can buy CS2 skins with crypto and pay with stablecoins directly.

In short

USDC is a dollar stablecoin from Circle, backed by cash and short-term Treasuries and reported through regular attestations. It runs on several networks, and the network must match on both ends. It is transparent and widely used, yet still centralised and freezable. On ThinSwap you can move into or out of USDC on six networks with a fixed rate and no account.

Frequently asked questions