UvsUSDTB
United Stables vs Ethena USDtb — side-by-side comparison of supply, chains, backing, and peg data.
Side-by-side
U — United Stables
USDTB — Ethena USDtb
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 +15.8% and USDTB -1.6% — U grew faster. Both held within about 10 bps of target across the same window.
Key differences
- U is roughly 2.8× larger than USDTB by USD circulation value ($1.48B vs $535.5M).
- U ranks #14 while USDTB ranks #20 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; USDTB is fiat-backed. Different mechanism, different failure modes.
- Reserves differ — U holds stablecoin basket, USDTB holds tokenized us treasuries (ethena).
- U is deployed on 4 chains — much broader coverage than USDTB's 2.
- Primary chain differs — most U supply lives on BSC, while most USDTB supply is on Ethereum.
Full comparison table
| Metric | U | USDTB |
|---|---|---|
| USD circulation value | $1.48B | $535.5M |
| Rank (by USD value) | #14 | #20 |
| Peg | USD | USD |
| Mechanism | crypto-backed | fiat-backed |
| Backing | Stablecoin basket | Tokenized US Treasuries (Ethena) |
| Chains deployed | 4 | 2 |
| Primary chain | BSC | Ethereum |
| Issuer | United Stables | Ethena Labs |
| CoinGecko | View → | View → |
Frequently Asked Questions
What's the main difference between U and USDTB?
Both track USD, so they compete for the same use cases. U holds stablecoin basket; USDTB holds tokenized us treasuries (ethena). U ranks #14 by USD value and USDTB ranks #20.
Which is bigger, U or USDTB?
U is larger, with $1.48B in circulation vs $535.5M for USDTB. That's roughly 2.8× the size.
Is U safer than USDTB?
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; USDTB uses a fiat-backed one. Read each issuer's most recent reserve attestation before choosing.
Can I convert between U and USDTB?
Yes. U and USDTB 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 USDTB?
The right choice depends on your use case. Consider: which chain do you need? U is available on 4 chains and USDTB 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.