BUIDLvsUSDX
BlackRock USD vs USDX Money USDX — side-by-side comparison of supply, chains, backing, and peg data.
Side-by-side
BUIDL — BlackRock USD
USDX — USDX Money USDX
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 USDX +0.0% — USDX grew faster. BUIDL held the tighter band: worst deviation 0 bps against 9912 bps.
Key differences
- BUIDL is roughly 3.9× larger than USDX by USD circulation value ($2.63B vs $683.4M).
- BUIDL ranks #9 while USDX ranks #18 among all tracked stablecoins.
- Both are pegged to the same currency (USD), so they compete directly for the same use cases.
- BUIDL is a fiat-backed stablecoin; USDX is crypto-backed. Different mechanism, different failure modes.
- BUIDL reports tokenized us treasuries (blackrock) in reserve. We do not track a published reserve breakdown for USDX.
- BUIDL is deployed on 8 chains — much broader coverage than USDX's 3.
- Primary chain differs — most BUIDL supply lives on Solana, while most USDX supply is on BSC.
Full comparison table
| Metric | BUIDL | USDX |
|---|---|---|
| USD circulation value | $2.63B | $683.4M |
| Rank (by USD value) | #9 | #18 |
| Peg | USD | USD |
| Mechanism | fiat-backed | crypto-backed |
| Backing | Tokenized US Treasuries (BlackRock) | — |
| Chains deployed | 8 | 3 |
| Primary chain | Solana | BSC |
| Issuer | BlackRock (tokenized by Securitize) | — |
| CoinGecko | View → | View → |
Frequently Asked Questions
What's the main difference between BUIDL and USDX?
Both track USD, so they compete for the same use cases. BUIDL holds tokenized us treasuries (blackrock). We track no published reserve breakdown for USDX. BUIDL ranks #9 by USD value and USDX ranks #18.
Which is bigger, BUIDL or USDX?
BUIDL is larger, with $2.63B in circulation vs $683.4M for USDX. That's roughly 3.9× the size.
Is BUIDL safer than USDX?
Neither is inherently safer. Safety turns on reserve composition, issuer transparency, redemption rights and regulatory oversight — none of which this page audits. BUIDL uses a fiat-backed model; USDX uses a crypto-backed one. Read each issuer's most recent reserve attestation before choosing.
Can I convert between BUIDL and USDX?
Yes. BUIDL and USDX 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 USDX?
The right choice depends on your use case. Consider: which chain do you need? BUIDL is available on 8 chains and USDX on 3. 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.