USDTvsBUIDL
Tether vs BlackRock USD — side-by-side comparison of supply, chains, backing, and peg data.
Side-by-side
USDT — Tether
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 USDT supply moved -0.6% and BUIDL +13.7% — BUIDL grew faster. BUIDL held the tighter band: worst deviation 0 bps against 14 bps.
Key differences
- USDT is roughly 67.6× larger than BUIDL by USD circulation value ($183.08B vs $2.71B).
- USDT ranks #1 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 — USDT holds cash & t-bills, BUIDL holds tokenized us treasuries (blackrock).
- USDT is deployed on 130 chains — much broader coverage than BUIDL's 8.
- Primary chain differs — most USDT supply lives on Tron, while most BUIDL supply is on Ethereum.
Full comparison table
| Metric | USDT | BUIDL |
|---|---|---|
| USD circulation value | $183.08B | $2.71B |
| Rank (by USD value) | #1 | #10 |
| Peg | USD | USD |
| Mechanism | fiat-backed | fiat-backed |
| Backing | Cash & T-bills | Tokenized US Treasuries (BlackRock) |
| Chains deployed | 130 | 8 |
| Primary chain | Tron | Ethereum |
| Issuer | Tether Limited | BlackRock (tokenized by Securitize) |
| CoinGecko | View → | View → |
Frequently Asked Questions
What's the main difference between USDT and BUIDL?
Both track USD, so they compete for the same use cases. USDT holds cash & t-bills; BUIDL holds tokenized us treasuries (blackrock). USDT ranks #1 by USD value and BUIDL ranks #10.
Which is bigger, USDT or BUIDL?
USDT is larger, with $183.08B in circulation vs $2.71B for BUIDL. That's roughly 67.6× the size.
Is USDT 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 USDT and BUIDL?
Yes. USDT 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 USDT or BUIDL?
The right choice depends on your use case. Consider: which chain do you need? USDT is available on 130 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.