BlackRock USD Institutional Digital Liquidity Fund fund
Overview
The BlackRock USD Institutional Digital Liquidity Fund (BUIDL) is a tokenized money market fund launched in March 2024, BlackRock's first fund issued on a public blockchain. It is tokenized and administered by Securitize, invests in cash, U.S. Treasury bills and repurchase agreements, and pays daily accrued dividends to qualified investors holding the token. Bank of New York Mellon acts as cash and securities custodian, with digital-asset custody available through firms including Anchorage Digital, BitGo, Copper and Fireblocks. BUIDL surpassed $1 billion in assets in 2025 and is issued across multiple chains including Ethereum, Aptos, Arbitrum, Avalanche, Optimism and Polygon.
Within the DeFi Intel graph, BlackRock USD Institutional Digital Liquidity Fund connects to 14 tracked entities, most strongly to BlackRock, Securitize, Securitize.
Relations
Top connections in the DeFi Intel knowledge graph (confidence-weighted, 10 of 14 total).
| Relation | Connected entity | Confidence |
|---|---|---|
issued_by | BlackRock | 95% |
tokenizes | Securitize | 95% |
transfer_agent_for | Securitize | 95% |
custodied_by | BNY Mellon | 95% |
deployed_on | Ethereum | 90% |
deployed_on | Solana | 90% |
deployed_on | Arbitrum | 90% |
deployed_on | Polygon | 90% |
deployed_on | Optimism | 90% |
deployed_on | Avalanche | 90% |
Frequently asked questions
What is the BlackRock USD Institutional Digital Liquidity Fund?
The BlackRock USD Institutional Digital Liquidity Fund (BUIDL) is a tokenized money market fund launched in March 2024, BlackRock's first fund issued on a public blockchain. It invests in cash, U.S. Treasury bills and repurchase agreements, and pays daily accrued dividends to qualified investors holding the token.
Who administers and custodies the BUIDL fund?
BUIDL is tokenized and administered by Securitize, with Bank of New York Mellon acting as cash and securities custodian. Digital-asset custody is available through firms including Anchorage Digital, BitGo, Copper and Fireblocks.
Which blockchains is BUIDL deployed on?
BUIDL is issued across multiple chains including Ethereum, Aptos, Arbitrum, Avalanche, Optimism and Polygon.