USDD vs YLDS — side-by-side comparison of supply, chains, backing, and peg data.
| Metric | USDD | YLDS |
|---|---|---|
| USD circulation value | $1.51B | $608.2M |
| Rank (by USD value) | #13 | #19 |
| Peg | USD | USD |
| Mechanism | crypto-backed | fiat-backed |
| Backing | Algo + TRX collateral | Tokenized US Treasuries (SEC registered) |
| Chains deployed | 4 | 4 |
| Primary chain | Tron | Ethereum |
| Issuer | USDD | YLDS |
| CoinGecko | View → | View → |
Both USDD and YLDS track USD, but they differ in backing and issuer. USDD is backed by algo + trx collateral while YLDS is backed by tokenized us treasuries (sec registered). As of today, USDD ranks #13 and YLDS ranks #19 among tracked stablecoins.
USDD is larger, with $1.51B in circulation vs $608.2M for YLDS. That's roughly 2.5× the size.
Neither USDD nor YLDS is inherently "safer" — safety depends on the specific backing composition, issuer transparency, redemption rights, and regulatory oversight. USDD uses crypto-backed backing model; YLDS uses fiat-backed. Users should read each issuer's most recent reserve attestation before choosing.
Yes. USDD and YLDS 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.
The right choice depends on your use case. Consider: which chain do you need? USDD is available on 4 chains and YLDS on 4. 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.