Sky Dollar vs Ethena USDe โ side-by-side comparison of supply, chains, backing, and peg data.
Over the last 30 days USDS supply moved -11.1% and USDe -7.4% โ USDe grew faster. Both held within about 6 bps of target across the same window.
| Metric | USDS | USDe |
|---|---|---|
| USD circulation value | $6.70B | $3.92B |
| Rank (by USD value) | #3 | #6 |
| Peg | USD | USD |
| Mechanism | crypto-backed | crypto-backed |
| Backing | Backed by DAI/USDC | Delta-neutral (ETH/BTC perpetual futures) |
| Chains deployed | 7 | 31 |
| Primary chain | Ethereum | Ethereum |
| Issuer | Sky | Ethena Labs |
| CoinGecko | View โ | View โ |
Both track USD, so they compete for the same use cases. USDS holds backed by dai/usdc. We track no published reserve breakdown for USDe. USDS ranks #3 by USD value and USDe ranks #6.
USDS is larger, with $6.70B in circulation vs $3.92B for USDe. That's roughly 1.7ร the size.
Neither is inherently safer. Safety turns on reserve composition, issuer transparency, redemption rights and regulatory oversight โ none of which this page audits. Both use a crypto-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.
Yes. USDS and USDe 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 USDe on 31. 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.