World Liberty Financial USD vs PayPal USD โ side-by-side comparison of supply, chains, backing, and peg data.
Over the last 30 days USD1 supply moved -10.1% and PYUSD -2.4% โ PYUSD grew faster. PYUSD held the tighter band: worst deviation 5 bps against 18 bps.
| Metric | USD1 | PYUSD |
|---|---|---|
| USD circulation value | $4.03B | $2.78B |
| 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 | Paxos Trust Company (for PayPal) |
| CoinGecko | View โ | View โ |
Both track USD, so they compete for the same use cases. USD1 holds us treasuries; PYUSD holds cash & t-bills (paypal). USD1 ranks #5 by USD value and PYUSD ranks #9.
USD1 is larger, with $4.03B in circulation vs $2.78B for PYUSD. That's roughly 1.4ร the size.
Neither is inherently safer. Safety turns on reserve composition, issuer transparency, redemption rights and regulatory oversight โ 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.
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.