RLUSDvsBUIDL
Ripple USD vs BlackRock USD — side-by-side comparison of supply, chains, backing, and peg data.
Side-by-side
RLUSD — Ripple 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 RLUSD supply moved +3.7% and BUIDL -20.2% — RLUSD grew faster. Both held within about 2 bps of target across the same window.
Key differences
- RLUSD is roughly 1.1× larger than BUIDL by USD circulation value ($2.50B vs $2.25B).
- RLUSD ranks #9 while BUIDL 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 — RLUSD holds cash & deposits (ripple), BUIDL holds tokenized us treasuries (blackrock).
- BUIDL is deployed on 8 chains — much broader coverage than RLUSD's 2.
- Primary chain differs — most RLUSD supply lives on Ethereum, while most BUIDL supply is on Solana.
Full comparison table
| Metric | RLUSD | BUIDL |
|---|---|---|
| USD circulation value | $2.50B | $2.25B |
| Rank (by USD value) | #9 | #11 |
| Peg | USD | USD |
| Mechanism | fiat-backed | fiat-backed |
| Backing | Cash & deposits (Ripple) | Tokenized US Treasuries (BlackRock) |
| Chains deployed | 2 | 8 |
| Primary chain | Ethereum | Solana |
| Issuer | Ripple | BlackRock (tokenized by Securitize) |
| CoinGecko | View → | View → |
Frequently Asked Questions
What's the main difference between RLUSD and BUIDL?
Both track USD, so they compete for the same use cases. RLUSD holds cash & deposits (ripple); BUIDL holds tokenized us treasuries (blackrock). RLUSD ranks #9 by USD value and BUIDL ranks #11.
Which is bigger, RLUSD or BUIDL?
RLUSD is larger, with $2.50B in circulation vs $2.25B for BUIDL. That's roughly 1.1× the size.
Is RLUSD 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 RLUSD and BUIDL?
Yes. RLUSD 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 RLUSD or BUIDL?
The right choice depends on your use case. Consider: which chain do you need? RLUSD is available on 2 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.