Sky Dollar vs USDX Money USDX — side-by-side comparison of supply, chains, backing, and peg data.
| Metric | USDS | USDX |
|---|---|---|
| USD circulation value | $6.54B | $683.4M |
| Rank (by USD value) | #3 | #17 |
| Peg | USD | USD |
| Mechanism | crypto-backed | crypto-backed |
| Backing | Backed by DAI/USDC | CDP-backed |
| Chains deployed | 7 | 3 |
| Primary chain | Ethereum | BSC |
| Issuer | Sky Dollar | USDX Money USDX |
| CoinGecko | View → | View → |
Both USDS and USDX track USD, but they differ in backing and issuer. USDS is backed by backed by dai/usdc while USDX is backed by cdp-backed. As of today, USDS ranks #3 and USDX ranks #17 among tracked stablecoins.
USDS is larger, with $6.54B in circulation vs $683.4M for USDX. That's roughly 9.6× the size.
Neither USDS nor USDX is inherently "safer" — safety depends on the specific backing composition, issuer transparency, redemption rights, and regulatory oversight. USDS uses crypto-backed backing model; USDX uses crypto-backed. Users should read each issuer's most recent reserve attestation before choosing.
Yes. USDS and USDX 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? USDS is available on 7 chains and USDX on 3. 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.