U vs USDD
United Stables and USDD, compared on the things that decide whether you get your dollar back. Live data, updated continuously.
30-day peg gap and U/USDD spread
Loading price history…
United Stables is a dollar-denominated token tracked across 3 chains. No verified issuer disclosure is on file, so its collateral and legal structure score conservatively.
Verdict band: Adequate
USDD is a dollar-denominated token tracked across 3 chains. No verified issuer disclosure is on file, so its collateral and legal structure score conservatively.
Verdict band: Adequate
| Safety scoreComposite of collateral, peg, liquidity, issuer and track record. | ●●●●●5 of 5 | 73 | 69 | U |
|---|---|---|---|---|
| Collateral qualityWhat actually backs the token, and how liquid that backing is. | ●●●●●5 of 5 | 55 | 55 | Tie |
| Exit liquidityWhether you can leave at size without moving the price. | ●●●●●5 of 5 | $39.47B | $432.82M | U |
| Issuer & legal standingRegulatory perimeter, disclosure quality and redemption rights. | ●●●●4 of 5 | 48 | 48 | Tie |
| Peg tightness (live)Absolute distance from $1.00 right now — smaller is better. | ●●●●4 of 5 | −0.053% | −0.063% | U |
| Worst recorded depegHow badly the token has broken before, as a stress precedent. | ●●●●4 of 5 | None recorded | None recorded | Tie |
| Track recordYears live and behaviour through past stress events. | ●●●●4 of 5 | 53 | 53 | Tie |
| Scale / market capBigger float usually means broader venue support and tighter spreads. | ●●●3 of 5 | $1.26B | $1.51B | USDD |
| Chain reachNumber of networks where the token is natively deployed. | ●●●3 of 5 | 3 chains | 3 chains | Tie |
| Best available yieldUpside — but every extra point above T-bills is paid for with risk. | ●●2 of 5 | 8.00% | 3.97% | U |
"Matters" is our weighting of how much each dimension typically drives a real allocation decision. Sort any column to re-rank the tradeoffs by what matters to you.
The short answer
U scores higher on safety (73 vs 69), driven mainly by collateral quality and disclosure. U has deeper tracked liquidity ($39.47B), which is what determines whether you can exit at size. U currently earns up to 8.00% — remember that any rate above the T-bill yield is payment for a risk.
If both are fiat-reserve tokens, note that holding both is not diversification: they share the same short-dated Treasury and banking exposure. Genuine diversification means mixing collateral structures.
Which one fits your goal: U or USDD?
Capital preservation over everything else.
For park cash safely, U is the better fit over USDD.
- Safety score 73 vs 69, with collateral rated 55/100.
- Current peg deviation -0.053% against -0.063% for USDD.
- No material depeg recorded for U in our incident log.
Concentrating in one issuer is a single point of failure regardless of score. Split across collateral structures.
Key risks, side by side
U
- Collateral volatility: a fast drawdown in backing assets can force liquidations.
- No depeg recorded in our incident log — absence of history is not a guarantee.
- Limited public attestation of reserves.
- Yield venue risk: 8.00% is earned outside the token itself.
- Chain concentration: 81% of supply sits on BSC.
USDD
- Collateral volatility: a fast drawdown in backing assets can force liquidations.
- No depeg recorded in our incident log — absence of history is not a guarantee.
- Limited public attestation of reserves.
- Yield venue risk: 3.97% is earned outside the token itself.
- Chain concentration: 82% of supply sits on Tron.
| Metric | U | USDD |
|---|---|---|
| Category | Stablecoin | Stablecoin |
| Issuer | Undisclosed | Undisclosed |
| Jurisdiction | Not documented | Not documented |
| Collateral | crypto-backed | crypto-backed |
| Peg mechanism | crypto-backed | crypto-backed |
| Attestation | none | none |
| Redemption | market-only | market-only |
| Price | $0.9995 | $0.9994 |
| Peg deviation | −0.053% | −0.063% |
| Market cap | $1.26B | $1.51B |
| 7d supply change | +3.64% | +10.19% |
| Liquidity | $39.47B | $432.82M |
| Best yield | 8.00% (bitway-earn · BSC) | 3.97% (justlend-v1 · Tron) |
| Chains | 3 | 3 |
| Launched | — | — |
| Worst recorded depeg | None recorded | None recorded |
Spread, peg gap and switching cost
- Price spread (U vs USDD)
- +1.0 bps
- $0.9995 vs $0.9994
- Peg deviation gap
- -0.010 pp
- U −0.053% · USDD −0.063%
- Yield spread
- +4.03%
- U 8.00% · USDD 3.97%
- Liquidity ratio
- 91.18×
- $39.47B vs $432.82M
A round trip between U and USDD costs roughly the market spread plus venue fees. At 1.0 bps of price gap, swapping $1M implies about $99.26 of price impact before fees — usually only worth it if the peg gap or yield spread is durable, not intraday noise.
Chain coverage
U is live on 3 chains, USDD on 3. 3 chains carry both, so bridging is only unavoidable for the 0 networks where just one of them is deployed.
| Chain | U | USDD | Both available |
|---|---|---|---|
| $54.97M | $1.23B | Yes | |
| $1.02B | $16.56M | Yes | |
| $181.50M | $260.53M | Yes |
U vs USDD: frequently asked questions
Is U or USDD safer?
+
On our composite safety score U rates 73/100 versus 69/100 for USDD. The score weighs collateral quality (crypto-backed vs crypto-backed), redemption rights, attestation quality, peg history and liquidity depth. A higher score is not a guarantee: both remain issuer-credit and smart-contract exposures, not insured bank deposits.
What is the difference between U and USDD?
+
United Stables is issued by Undisclosed (Not documented), backed by crypto-backed, with redemption terms: market-only. USDD is issued by Undisclosed (Not documented), backed by crypto-backed, with redemption terms: market-only. Attestation coverage is "none" for U and "none" for USDD.
Which has the bigger market cap, U or USDD?
+
USDD is larger at $1.51B in circulating supply, against $1.26B for the other. Over the last 7 days supply moved +3.64% for U and +10.19% for USDD.
Are U and USDD trading at $1.00 right now?
+
U trades at $0.9995 (−0.053% off peg) and USDD at $0.9994 (−0.063% off peg). The gap between the two is about 1.0 basis points, which is the cost you pay when rotating size between them before fees.
Has U or USDD ever depegged?
+
U: no material depeg recorded in our incident set. USDD: no material depeg recorded in our incident set. Past peg behaviour under stress is the single best available proxy for how a token trades in the next crisis.
Which is better for large institutional size, U or USDD?
+
For block size the constraint is exit liquidity and primary redemption, not headline supply. U shows deeper on-chain liquidity at $39.47B versus $432.82M. Combine that with the redemption channel — U: market-only; USDD: market-only — and size trades against the primary window rather than the order book where possible.
Can I earn yield on U or USDD?
+
U currently shows the higher rate at 8.00% via bitway-earn · BSC, against 3.97% via justlend-v1 · Tron for USDD. Neither token pays interest by holding it in a wallet: the yield comes from lending, liquidity provision or a wrapped yield-bearing version, each with its own counterparty and contract risk.
Which chains support both U and USDD?
+
Both are deployed on 3 shared networks, including BSC, Ethereum, Tron. U spans 3 chains in total and USDD spans 3. Bridged supply on a chain is not the same as natively issued supply, and it usually carries the bridge's risk rather than the issuer's.
What does it cost to switch from U to USDD?
+
Budget three components: the current price spread of roughly 1.0 bps, swap or venue fees, and slippage against available depth ($39.47B for U, $432.82M for USDD). For meaningful size, redeeming with the issuer and minting the other side is often cheaper than a secondary-market swap.
Is U or USDD regulated?
+
U is issued from Not documented with none; USDD is issued from Not documented with none. Regulatory status varies by your own jurisdiction and by whether the token is offered under a specific stablecoin regime, so treat this as a starting point for diligence, not legal advice.