UvsUSD0
United Stables vs Usual USD — side-by-side comparison of supply, chains, backing, and peg data.
Side-by-side
U — United Stables
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 U supply moved +17.4% and USD0 -0.3% — U grew faster. U held the tighter band: worst deviation 9 bps against 18 bps.
Key differences
- U is roughly 2.2× larger than USD0 by USD circulation value ($1.21B vs $550.8M).
- U ranks #15 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.
- U is a crypto-backed stablecoin; USD0 is fiat-backed. Different mechanism, different failure modes.
- Reserves differ — U holds stablecoin basket, USD0 holds tokenized us treasuries (usual).
- Chain coverage is comparable: U on 3 chains, USD0 on 2.
- Primary chain differs — most U supply lives on BSC, while most USD0 supply is on Ethereum.
Full comparison table
| Metric | U | USD0 |
|---|---|---|
| USD circulation value | $1.21B | $550.8M |
| Rank (by USD value) | #15 | #19 |
| Peg | USD | USD |
| Mechanism | crypto-backed | fiat-backed |
| Backing | Stablecoin basket | Tokenized US Treasuries (Usual) |
| Chains deployed | 3 | 2 |
| Primary chain | BSC | Ethereum |
| Issuer | — | Usual |
| CoinGecko | View → | View → |
Frequently Asked Questions
What's the main difference between U and USD0?
Both track USD, so they compete for the same use cases. U holds stablecoin basket; USD0 holds tokenized us treasuries (usual). U ranks #15 by USD value and USD0 ranks #19.
Which is bigger, U or USD0?
U is larger, with $1.21B in circulation vs $550.8M for USD0. That's roughly 2.2× the size.
Is U 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. U 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 U and USD0?
Yes. U 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 U or USD0?
The right choice depends on your use case. Consider: which chain do you need? U is available on 3 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.