PYUSDvsBUIDL
PayPal USD vs BlackRock USD — side-by-side comparison of supply, chains, backing, and peg data.
Side-by-side
PYUSD — PayPal 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 PYUSD supply moved -2.4% and BUIDL +13.7% — BUIDL grew faster. BUIDL held the tighter band: worst deviation 0 bps against 5 bps.
Key differences
- PYUSD and BUIDL are similar in size — within 10% of each other by USD-equivalent value.
- PYUSD ranks #9 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 — PYUSD holds cash & t-bills (paypal), BUIDL holds tokenized us treasuries (blackrock).
- PYUSD is deployed on 19 chains — much broader coverage than BUIDL's 8.
Full comparison table
| Metric | PYUSD | BUIDL |
|---|---|---|
| USD circulation value | $2.78B | $2.71B |
| Rank (by USD value) | #9 | #10 |
| Peg | USD | USD |
| Mechanism | fiat-backed | fiat-backed |
| Backing | Cash & T-bills (PayPal) | Tokenized US Treasuries (BlackRock) |
| Chains deployed | 19 | 8 |
| Primary chain | Ethereum | Ethereum |
| Issuer | Paxos Trust Company (for PayPal) | BlackRock (tokenized by Securitize) |
| CoinGecko | View → | View → |
Frequently Asked Questions
What's the main difference between PYUSD and BUIDL?
Both track USD, so they compete for the same use cases. PYUSD holds cash & t-bills (paypal); BUIDL holds tokenized us treasuries (blackrock). PYUSD ranks #9 by USD value and BUIDL ranks #10.
Which is bigger, PYUSD or BUIDL?
PYUSD is larger, with $2.78B in circulation vs $2.71B for BUIDL. That's roughly 1.0× the size.
Is PYUSD 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 PYUSD and BUIDL?
Yes. PYUSD 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 PYUSD or BUIDL?
The right choice depends on your use case. Consider: which chain do you need? PYUSD is available on 19 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.