USDC USD Coin USD
USD-pegged · fiat-backed · #2 by USD value
Supply Over 90 Days
About USD Coin
USD Coin holds cash & t-bills against its USDC supply, issued by Circle. Supply spans 133 chains, with Ethereum holding 64% of it. Figures on this page come from DefiLlama and refresh daily at 00:00 UTC.
Chain Distribution supply by blockchain
| Chain | Share | Supply |
|---|---|---|
| Ethereum | 63.8% | $46.10B |
| Solana | 10.0% | $7.20B |
| Hyperliquid L1 | 8.4% | $6.06B |
| Base | 5.8% | $4.17B |
| Arbitrum | 3.1% | $2.22B |
| Polygon | 2.2% | $1.62B |
| BSC | 2.2% | $1.58B |
| Avalanche | 0.6% | $437.4M |
| Stellar | 0.5% | $381.0M |
| Sui | 0.4% | $280.8M |
| Monad | 0.3% | $251.3M |
| Aptos | 0.3% | $219.8M |
Supply Changes
Frequently Asked Questions
What backs USDC?
USDC is backed by cash & t-bills. The issuer is Circle. Reserve composition is as reported by the issuer; this page does not audit it.
How is USDC different from USDT and USDS?
USDT and USDS are the two largest USD stablecoins by circulation. USDC shares the USD peg but differs in issuer, reserve composition, chain mix, and where it is accepted. Use the comparison pages below for a field-by-field breakdown.
Where does the data on this page come from?
Circulating supply and chain distribution come from DefiLlama's stablecoin API; price and 24h volume come from CoinGecko. The page rebuilds daily at 00:00 UTC. Non-USD coins are converted to USD-equivalent using approximate reference rates, so those figures are indicative rather than exact.
Details
| Full Name | USD Coin |
| Symbol | USDC |
| Peg | USD |
| Peg Mechanism | fiat-backed |
| Backing | Cash & T-bills |
| Issuer | Circle |
| Chains Deployed | 154 |
| CoinGecko | View on CoinGecko → |
| Data Source | DefiLlama → |
| Last Updated | 2026-08-09 · refreshes daily 00:00 UTC |
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