Updated February 15, 2026.
On February 11, 2026, Uniswap Labs and Securitize announced an integration that brings BlackRock’s tokenized money market fund, BUIDL, to UniswapX through a Request For Quote (RFQ) mechanism reserved for whitelisted participants. This is not open access; it’s DeFi with compliance restrictions, designed for eligible institutional operators.
BlackRock BUIDL on Uniswap: How the RFQ Mechanism Works
The model described by Uniswap Labs is an RFQ (Request For Quote). Qualified participants submit a request, receive quotes from authorized market participants, and the transaction is settled on-chain in an atomic manner. The key point is not that “anyone can buy BUIDL on Uniswap”: access remains restricted to those who pass the eligibility checks and the whitelist managed by Securitize. What changes is the execution and settlement mechanism for those who already have access.
BUIDL is a tokenized money market fund launched by BlackRock in 2024 on Ethereum. It primarily invests in short-term U.S. Treasury bills and cash equivalents. Tokenization enables faster settlement and programmable transferability compared to traditional funds.
Why It Matters Beyond the RWA Narrative
Tokenization and Real World Assets (RWA) have been discussed in the industry for years. The difference between narrative and operational adoption is measured in three variables: faster settlement compared to traditional circuits, programmable liquidity through smart contracts, and compatibility with DeFi infrastructure without sacrificing compliance controls.
This integration is a concrete example of that third point: a regulated institutional fund entering a “DeFi-like” infrastructure while maintaining whitelists and eligibility requirements. It’s a hybrid model—not permissionless, but not a completely closed circuit either.
The Implications for the Broader Market
Even those who don’t have access to BUIDL have reasons to follow this development. If the model works—atomic on-chain settlement, liquidity via RFQ, integrated compliance—it becomes a template that other issuers can replicate on similar products: other tokenized money market funds, tokenized bonds, institutional money market instruments.
The medium-term result could be increased competition among protocols to host these flows, and pressure towards the adoption of shared standards for managing tokenized assets with compliance requirements.
The Remaining Limitations
The integration is real, but the scope is limited. Access remains restricted to whitelisted participants—excluding retail investors and most native crypto operators. The framework depends on specific operators (Securitize as a transfer agent, authorized market participants for the RFQ). Smart contract and operational risks remain, even with audits.
It’s not permissionless DeFi. It’s DeFi as an execution infrastructure, with traditional compliance as a prerequisite. The distinction matters.
The BUIDL Fund: Size and Context
BUIDL was launched by BlackRock on Ethereum in March 2024 in partnership with Securitize, which manages the tokenization and transfer agent functions. Within a year, it has become the largest tokenized fund in the market, with assets under management exceeding one billion dollars, surpassing similar products from Franklin Templeton and other traditional issuers.
The fund primarily invests in U.S. Treasury bills, money market instruments, and cash. The yield reflects the short-term interest rates in the U.S. money market. For institutional investors, the appeal is not the yield itself—it’s the ability to hold a liquid, profitable asset that can be used as collateral on-chain within DeFi structures that are compatible with compliance requirements.
In Summary
| Aspect | Detail |
|---|---|
| Product | BlackRock BUIDL (tokenized money market fund) |
| Integration | UniswapX via Securitize, RFQ model |
| Announcement Date | February 11, 2026 |
| Access | Restricted to whitelisted/eligible participants |
| Settlement | On-chain, atomic |
| Permissionless | No |
Sources
- Uniswap Labs blog (February 11, 2026): Announcement of the partnership with Securitize for liquidity on BUIDL via UniswapX.
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