World Liberty Financial USD vs PayPal USD — side-by-side comparison of supply, chains, backing, and peg data.
| Metric | USD1 | PYUSD |
|---|---|---|
| USD circulation value | $4.12B | $2.66B |
| Rank (by USD value) | #5 | #9 |
| Peg | USD | USD |
| Mechanism | fiat-backed | fiat-backed |
| Backing | US Treasuries | Cash & T-bills (PayPal) |
| Chains deployed | 8 | 19 |
| Primary chain | Ethereum | Ethereum |
| Issuer | World Liberty Financial USD | PayPal USD |
| CoinGecko | View → | View → |
Both USD1 and PYUSD track USD, but they differ in backing and issuer. USD1 is backed by us treasuries while PYUSD is backed by cash & t-bills (paypal). As of today, USD1 ranks #5 and PYUSD ranks #9 among tracked stablecoins.
USD1 is larger, with $4.12B in circulation vs $2.66B for PYUSD. That's roughly 1.6× the size.
Neither USD1 nor PYUSD is inherently "safer" — safety depends on the specific backing composition, issuer transparency, redemption rights, and regulatory oversight. USD1 uses fiat-backed backing model; PYUSD uses fiat-backed. Users should read each issuer's most recent reserve attestation before choosing.
Yes. USD1 and PYUSD 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.
The right choice depends on your use case. Consider: which chain do you need? USD1 is available on 8 chains and PYUSD on 19. 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.