Dai vs Ondo US Dollar Yield — side-by-side comparison of supply, chains, backing, and peg data.
| Metric | DAI | USDY |
|---|---|---|
| USD circulation value | $4.80B | $2.14B |
| Rank (by USD value) | #4 | #11 |
| Peg | USD | USD |
| Mechanism | crypto-backed | fiat-backed |
| Backing | Overcollateralized crypto CDP | Tokenized US Treasuries (Ondo) |
| Chains deployed | 49 | 15 |
| Primary chain | Ethereum | Ethereum |
| Issuer | Dai | Ondo US Dollar Yield |
| CoinGecko | View → | View → |
Both DAI and USDY track USD, but they differ in backing and issuer. DAI is backed by overcollateralized crypto cdp while USDY is backed by tokenized us treasuries (ondo). As of today, DAI ranks #4 and USDY ranks #11 among tracked stablecoins.
DAI is larger, with $4.80B in circulation vs $2.14B for USDY. That's roughly 2.2× the size.
Neither DAI nor USDY is inherently "safer" — safety depends on the specific backing composition, issuer transparency, redemption rights, and regulatory oversight. DAI uses crypto-backed backing model; USDY uses fiat-backed. Users should read each issuer's most recent reserve attestation before choosing.
Yes. DAI and USDY 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 USDY on 15. 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.