DAIvsUSD0
Dai vs Usual USD — side-by-side comparison of supply, chains, backing, and peg data.
Side-by-side
DAI — Dai
USD0 — Usual USD
30-day peg stability dotted line = target · both charts share one scale
What the last 30 days show
Over the last 30 days DAI supply moved -1.6% and USD0 -0.3% — USD0 grew faster. DAI held the tighter band: worst deviation 4 bps against 18 bps.
Key differences
- DAI is roughly 8.7× larger than USD0 by USD circulation value ($4.79B vs $550.8M).
- DAI ranks #4 while USD0 ranks #19 among all tracked stablecoins.
- Both are pegged to the same currency (USD), so they compete directly for the same use cases.
- DAI is a crypto-backed stablecoin; USD0 is fiat-backed. Different mechanism, different failure modes.
- Reserves differ — DAI holds overcollateralized crypto cdp, USD0 holds tokenized us treasuries (usual).
- DAI is deployed on 49 chains — much broader coverage than USD0's 2.
Full comparison table
| Metric | DAI | USD0 |
|---|---|---|
| USD circulation value | $4.79B | $550.8M |
| Rank (by USD value) | #4 | #19 |
| Peg | USD | USD |
| Mechanism | crypto-backed | fiat-backed |
| Backing | Overcollateralized crypto CDP | Tokenized US Treasuries (Usual) |
| Chains deployed | 49 | 2 |
| Primary chain | Ethereum | Ethereum |
| Issuer | Sky (formerly MakerDAO) | Usual |
| CoinGecko | View → | View → |
Frequently Asked Questions
What's the main difference between DAI and USD0?
Both track USD, so they compete for the same use cases. DAI holds overcollateralized crypto cdp; USD0 holds tokenized us treasuries (usual). DAI ranks #4 by USD value and USD0 ranks #19.
Which is bigger, DAI or USD0?
DAI is larger, with $4.79B in circulation vs $550.8M for USD0. That's roughly 8.7× the size.
Is DAI safer than USD0?
Neither is inherently safer. Safety turns on reserve composition, issuer transparency, redemption rights and regulatory oversight — none of which this page audits. DAI uses a crypto-backed model; USD0 uses a fiat-backed one. Read each issuer's most recent reserve attestation before choosing.
Can I convert between DAI and USD0?
Yes. DAI and USD0 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.
Should I choose DAI or USD0?
The right choice depends on your use case. Consider: which chain do you need? DAI is available on 49 chains and USD0 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.