Global Dollar vs Ondo US Dollar Yield — side-by-side comparison of supply, chains, backing, and peg data.
| Metric | USDG | USDY |
|---|---|---|
| USD circulation value | $3.26B | $2.14B |
| Rank (by USD value) | #7 | #11 |
| Peg | USD | USD |
| Mechanism | fiat-backed | fiat-backed |
| Backing | Cash reserves (Paxos) | Tokenized US Treasuries (Ondo) |
| Chains deployed | 6 | 15 |
| Primary chain | X Layer | Ethereum |
| Issuer | Global Dollar | Ondo US Dollar Yield |
| CoinGecko | View → | View → |
Both USDG and USDY track USD, but they differ in backing and issuer. USDG is backed by cash reserves (paxos) while USDY is backed by tokenized us treasuries (ondo). As of today, USDG ranks #7 and USDY ranks #11 among tracked stablecoins.
USDG is larger, with $3.26B in circulation vs $2.14B for USDY. That's roughly 1.5× the size.
Neither USDG nor USDY is inherently "safer" — safety depends on the specific backing composition, issuer transparency, redemption rights, and regulatory oversight. USDG uses fiat-backed backing model; USDY uses fiat-backed. Users should read each issuer's most recent reserve attestation before choosing.
Yes. USDG and USDY 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? USDG is available on 6 chains and USDY on 15. 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.