BUIDLvsUSDY
BlackRock USD vs Ondo US Dollar Yield — side-by-side comparison of supply, chains, backing, and peg data.
Side-by-side
BUIDL — BlackRock USD
USDY — Ondo US Dollar Yield
30-day peg stability dotted line = target · both charts share one scale
What the last 30 days show
Over the last 30 days BUIDL supply moved +13.7% and USDY -0.9% — BUIDL grew faster. BUIDL held the tighter band: worst deviation 0 bps against 1422 bps.
Key differences
- BUIDL is roughly 1.3× larger than USDY by USD circulation value ($2.71B vs $2.14B).
- BUIDL ranks #10 while USDY ranks #11 among all tracked stablecoins.
- Both are pegged to the same currency (USD), so they compete directly for the same use cases.
- Both are fiat-backed stablecoins, so the mechanism is not what separates them.
- Reserves differ — BUIDL holds tokenized us treasuries (blackrock), USDY holds tokenized us treasuries (ondo).
- USDY is deployed on 15 chains — much broader coverage than BUIDL's 8.
Full comparison table
| Metric | BUIDL | USDY |
|---|---|---|
| USD circulation value | $2.71B | $2.14B |
| Rank (by USD value) | #10 | #11 |
| Peg | USD | USD |
| Mechanism | fiat-backed | fiat-backed |
| Backing | Tokenized US Treasuries (BlackRock) | Tokenized US Treasuries (Ondo) |
| Chains deployed | 8 | 15 |
| Primary chain | Ethereum | Ethereum |
| Issuer | BlackRock (tokenized by Securitize) | Ondo Finance |
| CoinGecko | View → | View → |
Frequently Asked Questions
What's the main difference between BUIDL and USDY?
Both track USD, so they compete for the same use cases. BUIDL holds tokenized us treasuries (blackrock); USDY holds tokenized us treasuries (ondo). BUIDL ranks #10 by USD value and USDY ranks #11.
Which is bigger, BUIDL or USDY?
BUIDL is larger, with $2.71B in circulation vs $2.14B for USDY. That's roughly 1.3× the size.
Is BUIDL safer than USDY?
Neither is inherently safer. Safety turns on reserve composition, issuer transparency, redemption rights and regulatory oversight — none of which this page audits. Both use a fiat-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.
Can I convert between BUIDL and USDY?
Yes. BUIDL 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.
Should I choose BUIDL or USDY?
The right choice depends on your use case. Consider: which chain do you need? BUIDL is available on 8 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.