BUIDLvsUSYC
BlackRock USD vs Circle USYC — side-by-side comparison of supply, chains, backing, and peg data.
Side-by-side
BUIDL — BlackRock USD
USYC — Circle USYC
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 -3.9% and USYC -14.6% — BUIDL grew faster. BUIDL held the tighter band: worst deviation 0 bps against 1374 bps.
Key differences
- BUIDL and USYC are similar in size — within 10% of each other by USD-equivalent value.
- BUIDL ranks #9 while USYC ranks #10 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), USYC holds tokenized us treasuries.
- BUIDL is deployed on 8 chains — much broader coverage than USYC's 2.
- Primary chain differs — most BUIDL supply lives on Solana, while most USYC supply is on BSC.
Full comparison table
| Metric | BUIDL | USYC |
|---|---|---|
| USD circulation value | $2.63B | $2.55B |
| Rank (by USD value) | #9 | #10 |
| Peg | USD | USD |
| Mechanism | fiat-backed | fiat-backed |
| Backing | Tokenized US Treasuries (BlackRock) | Tokenized US Treasuries |
| Chains deployed | 8 | 2 |
| Primary chain | Solana | BSC |
| Issuer | BlackRock (tokenized by Securitize) | Circle |
| CoinGecko | View → | View → |
Frequently Asked Questions
What's the main difference between BUIDL and USYC?
Both track USD, so they compete for the same use cases. BUIDL holds tokenized us treasuries (blackrock); USYC holds tokenized us treasuries. BUIDL ranks #9 by USD value and USYC ranks #10.
Which is bigger, BUIDL or USYC?
BUIDL is larger, with $2.63B in circulation vs $2.55B for USYC. That's roughly 1.0× the size.
Is BUIDL safer than USYC?
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 USYC?
Yes. BUIDL and USYC 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 USYC?
The right choice depends on your use case. Consider: which chain do you need? BUIDL is available on 8 chains and USYC on 2. 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.