Team CryptoInsightfull 
BlackRock’s USD Institutional Digital Liquidity Fund, known on-chain as BUIDL, reached $1 billion in tokenized assets as of March 2025, per data from rwa.xyz.
On March 13, the fund minted over $206 million in new tokens as liquidity continues to flow into the fund.
While Bitcoin and the broader crypto market is down over the past month, BlackRock’s BUIDL is soaring. The milestone marks a 56% increase within 30 days, reflecting growing institutional confidence in tokenized real-world assets (RWAs).
Launched in March 2024 through Securitize’s digital issuance platform, BlackRock’s BUIDL fund primarily invests in U.S. Treasury debt and bank deposits denominated in USD. Targeted specifically toward U.S. qualified purchasers, BUIDL provides token holders an APY of approximately 4.5%, managed at fees ranging between 0.20% and 0.50%.
The fund currently has 61 holders, a 19.6% increase in the past month, highlighting steady investor demand despite recent fluctuations in broader digital asset markets. While monthly active addresses dropped slightly to 19, total monthly transfer volume surged to over $269 million, suggesting substantial institutional engagement in token transfers.
Ethereum remains the primary blockchain on the fund, hosting roughly 825 million tokens across two main contracts. Smaller allocations also exist on Avalanche, Aptos, Polygon, Optimism, and Arbitrum networks within BlackRock’s multi-chain approach for asset distribution. Ethereum’s dominance, with around $267 million in combined token value from its two largest holders, underlines the continued preference among institutional investors for Ethereum-based tokenization.
According to rwa.xyz, Tokenization of RWAs has surged industry-wide, with global on-chain RWAs reaching $18.34 billion, an increase of over 18% in 30 days. BlackRock’s rapid asset growth within the BUIDL fund parallels broader market trends of institutions integrating blockchain-based instruments to optimize liquidity and yield, utilizing blockchain efficiencies to streamline traditional treasury management.
BlackRock’s BUIDL has crossed a notable threshold, and the wider institutional adoption of on-chain U.S. Treasuries and other tokenized financial instruments indicates a deepening recognition of blockchain as a viable infrastructure for traditional asset classes.
BlackRock’s achievement of $1 billion in on-chain assets firmly positions its BUIDL fund among the most influential institutional blockchain initiatives.
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