OUSD Open USD USD
USD-pegged · fiat-backed · #17 by USD value
Supply Over 90 Days
About Open USD
Open USD is a fiat-backed stablecoin. The issuer has not published a reserve breakdown we track. Supply spans 4 chains, with Tempo holding 68% of it. Figures on this page come from DefiLlama and refresh daily at 00:00 UTC.
Chain Distribution supply by blockchain
| Chain | Share | Supply |
|---|---|---|
| Tempo | 67.8% | $473.7M |
| Ethereum | 12.9% | $90.5M |
| Solana | 9.9% | $69.5M |
| Base | 9.3% | $65.2M |
Supply Changes
Frequently Asked Questions
What backs OUSD?
OUSD is a fiat-backed stablecoin. We do not track a published reserve breakdown for it, so no backing composition is shown on this page.
How is OUSD different from USDT and USDC?
USDT and USDC are the two largest USD stablecoins by circulation. OUSD shares the USD peg but differs in issuer, 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 | Open USD |
| Symbol | OUSD |
| Peg | USD |
| Peg Mechanism | fiat-backed |
| Chains Deployed | 4 |
| CoinGecko | View on CoinGecko → |
| Data Source | DefiLlama → |
| Last Updated | 2026-10-06 · refreshes daily 00:00 UTC |
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