Dai vs PayPal USD — side-by-side comparison of supply, chains, backing, and peg data.
| Metric | DAI | PYUSD |
|---|---|---|
| USD circulation value | $4.80B | $2.66B |
| Rank (by USD value) | #4 | #9 |
| Peg | USD | USD |
| Mechanism | crypto-backed | fiat-backed |
| Backing | Overcollateralized crypto CDP | Cash & T-bills (PayPal) |
| Chains deployed | 49 | 19 |
| Primary chain | Ethereum | Ethereum |
| Issuer | Dai | PayPal USD |
| CoinGecko | View → | View → |
Both DAI and PYUSD track USD, but they differ in backing and issuer. DAI is backed by overcollateralized crypto cdp while PYUSD is backed by cash & t-bills (paypal). As of today, DAI ranks #4 and PYUSD ranks #9 among tracked stablecoins.
DAI is larger, with $4.80B in circulation vs $2.66B for PYUSD. That's roughly 1.8× the size.
Neither DAI nor PYUSD is inherently "safer" — safety depends on the specific backing composition, issuer transparency, redemption rights, and regulatory oversight. DAI uses crypto-backed backing model; PYUSD uses fiat-backed. Users should read each issuer's most recent reserve attestation before choosing.
Yes. DAI 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? DAI is available on 49 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.