PayPal USD vs Ethena USDtb โ side-by-side comparison of supply, chains, backing, and peg data.
Over the last 30 days PYUSD supply moved +1.7% and USDTB +30.6% โ USDTB grew faster. Both held within about 8 bps of target across the same window.
| Metric | PYUSD | USDTB |
|---|---|---|
| USD circulation value | $2.79B | $527.4M |
| Rank (by USD value) | #8 | #20 |
| Peg | USD | USD |
| Mechanism | fiat-backed | fiat-backed |
| Backing | Cash & T-bills (PayPal) | Tokenized US Treasuries (Ethena) |
| Chains deployed | 19 | 2 |
| Primary chain | Ethereum | Ethereum |
| Issuer | Paxos Trust Company (for PayPal) | Ethena Labs |
| CoinGecko | View โ | View โ |
Both track USD, so they compete for the same use cases. PYUSD holds cash & t-bills (paypal); USDTB holds tokenized us treasuries (ethena). PYUSD ranks #8 by USD value and USDTB ranks #20.
PYUSD is larger, with $2.79B in circulation vs $527.4M for USDTB. That's roughly 5.3ร 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. PYUSD and USDTB 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? PYUSD is available on 19 chains and USDTB on 2. 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.