USDS Sky Dollar USD
USD-pegged · crypto-backed · #3 by USD value
Supply Over 90 Days
About Sky Dollar
Sky Dollar holds backed by dai/usdc against its USDS supply, issued by Sky. Supply spans 7 chains, with Ethereum holding 98% of it. Figures on this page come from DefiLlama and refresh daily at 00:00 UTC.
Chain Distribution supply by blockchain
| Chain | Share | Supply |
|---|---|---|
| Ethereum | 98.3% | $6.59B |
| Arbitrum | 1.5% | $99.8M |
| Solana | 0.1% | $9.4M |
| Base | 0.0% | $2.2M |
| OP Mainnet | 0.0% | $453 |
| Unichain | 0.0% | $178 |
| Avalanche | 0.0% | $11 |
Supply Changes
Frequently Asked Questions
What backs USDS?
USDS is backed by backed by dai/usdc. The issuer is Sky. Reserve composition is as reported by the issuer; this page does not audit it.
How is USDS different from USDT and USDC?
USDT and USDC are the two largest USD stablecoins by circulation. USDS shares the USD peg but differs in issuer, reserve composition, chain mix, and where it is accepted. Use the comparison pages below for a field-by-field breakdown.
Where does the data on this page come from?
Circulating supply and chain distribution come from DefiLlama's stablecoin API; price and 24h volume come from CoinGecko. The page rebuilds daily at 00:00 UTC. Non-USD coins are converted to USD-equivalent using approximate reference rates, so those figures are indicative rather than exact.
Details
| Full Name | Sky Dollar |
| Symbol | USDS |
| Peg | USD |
| Peg Mechanism | crypto-backed |
| Backing | Backed by DAI/USDC |
| Issuer | Sky |
| Chains Deployed | 7 |
| CoinGecko | View on CoinGecko → |
| Data Source | DefiLlama → |
| Last Updated | 2026-08-09 · refreshes daily 00:00 UTC |
DAI
USDe
USDD
USDf