USD1vsOUSD
World Liberty Financial USD vs Open USD — side-by-side comparison of supply, chains, backing, and peg data.
Side-by-side
USD1 — World Liberty Financial USD
OUSD — Open USD
30-day peg stability dotted line = target · both charts share one scale
What the last 30 days show
OUSD held the tighter band: worst deviation 3 bps against 10 bps.
Key differences
- USD1 is roughly 6.4× larger than OUSD by USD circulation value ($4.44B vs $698.8M).
- USD1 ranks #6 while OUSD ranks #17 among all tracked stablecoins.
- Both are pegged to the same currency (USD), so they compete directly for the same use cases.
- Both are fiat-backed stablecoins, so the mechanism is not what separates them.
- USD1 reports us treasuries in reserve. We do not track a published reserve breakdown for OUSD.
- USD1 is deployed on 8 chains — much broader coverage than OUSD's 4.
- Primary chain differs — most USD1 supply lives on Ethereum, while most OUSD supply is on Tempo.
Full comparison table
| Metric | USD1 | OUSD |
|---|---|---|
| USD circulation value | $4.44B | $698.8M |
| Rank (by USD value) | #6 | #17 |
| Peg | USD | USD |
| Mechanism | fiat-backed | fiat-backed |
| Backing | US Treasuries | — |
| Chains deployed | 8 | 4 |
| Primary chain | Ethereum | Tempo |
| Issuer | World Liberty Financial | — |
| CoinGecko | View → | View → |
Frequently Asked Questions
What's the main difference between USD1 and OUSD?
Both track USD, so they compete for the same use cases. USD1 holds us treasuries. We track no published reserve breakdown for OUSD. USD1 ranks #6 by USD value and OUSD ranks #17.
Which is bigger, USD1 or OUSD?
USD1 is larger, with $4.44B in circulation vs $698.8M for OUSD. That's roughly 6.4× the size.
Is USD1 safer than OUSD?
Neither is inherently safer. Safety turns on reserve composition, issuer transparency, redemption rights and regulatory oversight — none of which this page audits. Both use a fiat-backed model, so the difference sits in the issuer and the reserves rather than the design. Read each issuer's most recent reserve attestation before choosing.
Can I convert between USD1 and OUSD?
Yes. USD1 and OUSD both trade on major centralized and decentralized exchanges. Since both track USD, the exchange rate is typically very close to 1:1. Direct swap protocols on Ethereum, Solana, and other chains offer the tightest spreads.
Should I choose USD1 or OUSD?
The right choice depends on your use case. Consider: which chain do you need? USD1 is available on 8 chains and OUSD on 4. What backing do you prefer? What's your integration surface (exchanges, DeFi protocols, payment providers)? Both have deep liquidity, so market cap alone shouldn't decide it.