USDTvsUSD0
Tether vs Usual USD — side-by-side comparison of supply, chains, backing, and peg data.
Side-by-side
USDT — Tether
USD0 — Usual USD
30-day peg stability dotted line = target · both charts share one scale
What the last 30 days show
Supply moved almost identically over the last 30 days: USDT -0.6%, USD0 -0.3%. USDT held the tighter band: worst deviation 14 bps against 18 bps.
Key differences
- USDT is roughly 332.4× larger than USD0 by USD circulation value ($183.08B vs $550.8M).
- USDT ranks #1 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.
- Both are fiat-backed stablecoins, so the mechanism is not what separates them.
- Reserves differ — USDT holds cash & t-bills, USD0 holds tokenized us treasuries (usual).
- USDT is deployed on 130 chains — much broader coverage than USD0's 2.
- Primary chain differs — most USDT supply lives on Tron, while most USD0 supply is on Ethereum.
Full comparison table
| Metric | USDT | USD0 |
|---|---|---|
| USD circulation value | $183.08B | $550.8M |
| Rank (by USD value) | #1 | #19 |
| Peg | USD | USD |
| Mechanism | fiat-backed | fiat-backed |
| Backing | Cash & T-bills | Tokenized US Treasuries (Usual) |
| Chains deployed | 130 | 2 |
| Primary chain | Tron | Ethereum |
| Issuer | Tether Limited | Usual |
| CoinGecko | View → | View → |
Frequently Asked Questions
What's the main difference between USDT and USD0?
Both track USD, so they compete for the same use cases. USDT holds cash & t-bills; USD0 holds tokenized us treasuries (usual). USDT ranks #1 by USD value and USD0 ranks #19.
Which is bigger, USDT or USD0?
USDT is larger, with $183.08B in circulation vs $550.8M for USD0. That's roughly 332.4× the size.
Is USDT 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. 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.
Can I convert between USDT and USD0?
Yes. USDT 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 USDT or USD0?
The right choice depends on your use case. Consider: which chain do you need? USDT is available on 130 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.