BLACKROCK BU vs ONDO
BlackRock BUIDL and Ondo Yield Assets, compared on the things that decide whether you get your dollar back. Live data, updated continuously.
30-day peg gap and BLACKROCK BU/ONDO spread
Loading price history…
BlackRock BUIDL issues dollar-denominated tokenized real-world assets across 8 chains. Value shown is on-chain assets under management.
Verdict band: Adequate
Ondo Yield Assets issues dollar-denominated tokenized real-world assets across 10 chains. Value shown is on-chain assets under management.
Verdict band: Adequate
| Safety scoreComposite of collateral, peg, liquidity, issuer and track record. | ●●●●●5 of 5 | 66 | 66 | Tie |
|---|---|---|---|---|
| Collateral qualityWhat actually backs the token, and how liquid that backing is. | ●●●●●5 of 5 | 55 | 55 | Tie |
| Exit liquidityWhether you can leave at size without moving the price. | ●●●●●5 of 5 | $0.00 | $0.00 | Tie |
| Issuer & legal standingRegulatory perimeter, disclosure quality and redemption rights. | ●●●●4 of 5 | 48 | 48 | Tie |
| Peg tightness (live)Absolute distance from $1.00 right now — smaller is better. | ●●●●4 of 5 | 0.000% | 0.000% | Tie |
| Worst recorded depegHow badly the token has broken before, as a stress precedent. | ●●●●4 of 5 | None recorded | None recorded | Tie |
| Track recordYears live and behaviour through past stress events. | ●●●●4 of 5 | 53 | 53 | Tie |
| Scale / market capBigger float usually means broader venue support and tighter spreads. | ●●●3 of 5 | $3.55B | $2.52B | BLACKROCK BU |
| Chain reachNumber of networks where the token is natively deployed. | ●●●3 of 5 | 8 chains | 10 chains | ONDO |
| Best available yieldUpside — but every extra point above T-bills is paid for with risk. | ●●2 of 5 | None | None | Tie |
"Matters" is our weighting of how much each dimension typically drives a real allocation decision. Sort any column to re-rank the tradeoffs by what matters to you.
The short answer
BLACKROCK BU scores higher on safety (66 vs 66), driven mainly by collateral quality and disclosure. BLACKROCK BU has deeper tracked liquidity ($0.00), which is what determines whether you can exit at size.
If both are fiat-reserve tokens, note that holding both is not diversification: they share the same short-dated Treasury and banking exposure. Genuine diversification means mixing collateral structures.
Which one fits your goal: BLACKROCK BU or ONDO?
Capital preservation over everything else.
For park cash safely, BLACKROCK BU edges out ONDO — but it is close enough that either works.
- Safety score 66 vs 66, with collateral rated 55/100.
- Current peg deviation 0.000% against 0.000% for ONDO.
- No material depeg recorded for BLACKROCK BU in our incident log.
Concentrating in one issuer is a single point of failure regardless of score. Split across collateral structures.
Key risks, side by side
BLACKROCK BU
- Issuer and banking risk: reserves sit with BlackRock BUIDL under Not documented rules.
- No depeg recorded in our incident log — absence of history is not a guarantee.
- Attestation cadence: monthly.
ONDO
- Issuer and banking risk: reserves sit with Ondo Yield Assets under Not documented rules.
- No depeg recorded in our incident log — absence of history is not a guarantee.
- Attestation cadence: monthly.
| Metric | BLACKROCK BU | ONDO |
|---|---|---|
| Category | Tokenized Treasury | Tokenized Treasury |
| Issuer | BlackRock BUIDL | Ondo Yield Assets |
| Jurisdiction | Not documented | Not documented |
| Collateral | treasuries | treasuries |
| Peg mechanism | asset-backed | asset-backed |
| Attestation | monthly | monthly |
| Redemption | gated | gated |
| Price | $1.0000 | $1.0000 |
| Peg deviation | 0.000% | 0.000% |
| Market cap | $3.55B | $2.52B |
| 7d supply change | +0.48% | −0.19% |
| Liquidity | $0.00 | $0.00 |
| Best yield | None | None |
| Chains | 8 | 10 |
| Launched | — | — |
| Worst recorded depeg | None recorded | None recorded |
Spread, peg gap and switching cost
- Price spread (BLACKROCK BU vs ONDO)
- +0.0 bps
- $1.0000 vs $1.0000
- Peg deviation gap
- 0.000 pp
- BLACKROCK BU 0.000% · ONDO 0.000%
- Yield spread
- +0.00%
- BLACKROCK BU — · ONDO —
- Liquidity ratio
- —
- $0.00 vs $0.00
A round trip between BLACKROCK BU and ONDO costs roughly the market spread plus venue fees. At 0.0 bps of price gap, swapping $1M implies about $0.00 of price impact before fees — usually only worth it if the peg gap or yield spread is durable, not intraday noise.
Chain coverage
BLACKROCK BU is live on 8 chains, ONDO on 10. 4 chains carry both, so bridging is only unavoidable for the 10 networks where just one of them is deployed.
| Chain | BLACKROCK BU | ONDO | Both available |
|---|---|---|---|
| $1.19B | $1.27B | Yes | |
| $741.42M | $178.55M | Yes | |
| $821.92M | $2.10M | Yes | |
| $634.39M | — | BLACKROCK BU only | |
| — | $532.58M | ONDO only | |
| — | $257.34M | ONDO only | |
| — | $212.85M | ONDO only | |
| $111.06M | — | BLACKROCK BU only | |
| — | $28.49M | ONDO only | |
| $26.37M | — | BLACKROCK BU only | |
| — | $14.36M | ONDO only | |
| — | $14.00M | ONDO only | |
| $13.48M | — | BLACKROCK BU only | |
| $8.54M | $3.64M | Yes |
BLACKROCK BU vs ONDO: frequently asked questions
Is BLACKROCK BU or ONDO safer?
+
On our composite safety score BLACKROCK BU rates 66/100 versus 66/100 for ONDO. The score weighs collateral quality (treasuries vs treasuries), redemption rights, attestation quality, peg history and liquidity depth. A higher score is not a guarantee: both remain issuer-credit and smart-contract exposures, not insured bank deposits.
What is the difference between BLACKROCK BU and ONDO?
+
BlackRock BUIDL is issued by BlackRock BUIDL (Not documented), backed by treasuries, with redemption terms: gated. Ondo Yield Assets is issued by Ondo Yield Assets (Not documented), backed by treasuries, with redemption terms: gated. Attestation coverage is "monthly" for BLACKROCK BU and "monthly" for ONDO.
Which has the bigger market cap, BLACKROCK BU or ONDO?
+
BLACKROCK BU is larger at $3.55B in circulating supply, against $2.52B for the other. Over the last 7 days supply moved +0.48% for BLACKROCK BU and −0.19% for ONDO.
Are BLACKROCK BU and ONDO trading at $1.00 right now?
+
BLACKROCK BU trades at $1.0000 (0.000% off peg) and ONDO at $1.0000 (0.000% off peg). The gap between the two is about 0.0 basis points, which is the cost you pay when rotating size between them before fees.
Has BLACKROCK BU or ONDO ever depegged?
+
BLACKROCK BU: no material depeg recorded in our incident set. ONDO: no material depeg recorded in our incident set. Past peg behaviour under stress is the single best available proxy for how a token trades in the next crisis.
Which is better for large institutional size, BLACKROCK BU or ONDO?
+
For block size the constraint is exit liquidity and primary redemption, not headline supply. BLACKROCK BU shows deeper on-chain liquidity at $0.00 versus $0.00. Combine that with the redemption channel — BLACKROCK BU: gated; ONDO: gated — and size trades against the primary window rather than the order book where possible.
Can I earn yield on BLACKROCK BU or ONDO?
+
Neither BLACKROCK BU nor ONDO currently has a tracked yield venue in our dataset. Holding either in a wallet pays nothing; any advertised rate comes from lending or liquidity provision on top, with its own risk.
Which chains support both BLACKROCK BU and ONDO?
+
Both are deployed on 4 shared networks, including Ethereum, Aptos, Solana, Arbitrum. BLACKROCK BU spans 8 chains in total and ONDO spans 10. Bridged supply on a chain is not the same as natively issued supply, and it usually carries the bridge's risk rather than the issuer's.
What does it cost to switch from BLACKROCK BU to ONDO?
+
Budget three components: the current price spread of roughly 0.0 bps, swap or venue fees, and slippage against available depth ($0.00 for BLACKROCK BU, $0.00 for ONDO). For meaningful size, redeeming with the issuer and minting the other side is often cheaper than a secondary-market swap.
Is BLACKROCK BU or ONDO regulated?
+
BLACKROCK BU is issued from Not documented with monthly; ONDO is issued from Not documented with monthly. Regulatory status varies by your own jurisdiction and by whether the token is offered under a specific stablecoin regime, so treat this as a starting point for diligence, not legal advice.