USD1vsBUIDL
World Liberty Financial USD vs BlackRock USD — side-by-side comparison of supply, chains, backing, and peg data.
Side-by-side
USD1 — World Liberty Financial USD
BUIDL — BlackRock USD
30-day peg stability dotted line = target · both charts share one scale
What the last 30 days show
Over the last 30 days USD1 supply moved -10.1% and BUIDL +13.7% — BUIDL grew faster. BUIDL held the tighter band: worst deviation 0 bps against 18 bps.
Key differences
- USD1 is roughly 1.5× larger than BUIDL by USD circulation value ($4.03B vs $2.71B).
- USD1 ranks #5 while BUIDL 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 — USD1 holds us treasuries, BUIDL holds tokenized us treasuries (blackrock).
- Chain coverage is comparable: USD1 on 8 chains, BUIDL on 8.
Full comparison table
| Metric | USD1 | BUIDL |
|---|---|---|
| USD circulation value | $4.03B | $2.71B |
| Rank (by USD value) | #5 | #10 |
| Peg | USD | USD |
| Mechanism | fiat-backed | fiat-backed |
| Backing | US Treasuries | Tokenized US Treasuries (BlackRock) |
| Chains deployed | 8 | 8 |
| Primary chain | Ethereum | Ethereum |
| Issuer | World Liberty Financial | BlackRock (tokenized by Securitize) |
| CoinGecko | View → | View → |
Frequently Asked Questions
What's the main difference between USD1 and BUIDL?
Both track USD, so they compete for the same use cases. USD1 holds us treasuries; BUIDL holds tokenized us treasuries (blackrock). USD1 ranks #5 by USD value and BUIDL ranks #10.
Which is bigger, USD1 or BUIDL?
USD1 is larger, with $4.03B in circulation vs $2.71B for BUIDL. That's roughly 1.5× the size.
Is USD1 safer than BUIDL?
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 USD1 and BUIDL?
Yes. USD1 and BUIDL 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 USD1 or BUIDL?
The right choice depends on your use case. Consider: which chain do you need? USD1 is available on 8 chains and BUIDL on 8. 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.