BUIDLvsUSD0
BlackRock USD vs Usual USD — side-by-side comparison of supply, chains, backing, and peg data.
Side-by-side
BUIDL — BlackRock USD
USD0 — Usual USD
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 USD0 -0.3% — BUIDL grew faster. BUIDL held the tighter band: worst deviation 0 bps against 18 bps.
Key differences
- BUIDL is roughly 4.9× larger than USD0 by USD circulation value ($2.71B vs $550.8M).
- BUIDL ranks #10 while USD0 ranks #19 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), USD0 holds tokenized us treasuries (usual).
- BUIDL is deployed on 8 chains — much broader coverage than USD0's 2.
Full comparison table
| Metric | BUIDL | USD0 |
|---|---|---|
| USD circulation value | $2.71B | $550.8M |
| Rank (by USD value) | #10 | #19 |
| Peg | USD | USD |
| Mechanism | fiat-backed | fiat-backed |
| Backing | Tokenized US Treasuries (BlackRock) | Tokenized US Treasuries (Usual) |
| Chains deployed | 8 | 2 |
| Primary chain | Ethereum | Ethereum |
| Issuer | BlackRock (tokenized by Securitize) | Usual |
| CoinGecko | View → | View → |
Frequently Asked Questions
What's the main difference between BUIDL and USD0?
Both track USD, so they compete for the same use cases. BUIDL holds tokenized us treasuries (blackrock); USD0 holds tokenized us treasuries (usual). BUIDL ranks #10 by USD value and USD0 ranks #19.
Which is bigger, BUIDL or USD0?
BUIDL is larger, with $2.71B in circulation vs $550.8M for USD0. That's roughly 4.9× the size.
Is BUIDL safer than USD0?
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 USD0?
Yes. BUIDL and USD0 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 USD0?
The right choice depends on your use case. Consider: which chain do you need? BUIDL is available on 8 chains and USD0 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.