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BlackRock’s redesigned BlackRock Select Treasury-Based Liquidity Fund (BSTBL) positions itself as a compliant BlackRock stablecoin reserve fund, prioritizing short-term U.S. Treasuries and overnight repo to provide liquidity, transparency and auditability for stablecoin issuers under the GENIUS Act.
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BSTBL now favors short-term U.S. Treasuries and overnight repurchase agreements for reserve liquidity.
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Daily trading deadline extended to 5:00 p.m. ET to increase operational flexibility for issuers and investors.
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BlackRock cites demand from stablecoin firms and regulatory standards in redesign; total stablecoin supply ~ $300 billion (industry estimates).
BlackRock stablecoin reserve fund update: BSTBL prioritizes short-term Treasuries for compliant reserves—read how issuers can use this solution under the GENIUS Act.
What is BlackRock’s BSTBL stablecoin reserve fund?
BlackRock stablecoin reserve fund refers to the BlackRock Select Treasury-Based Liquidity Fund (BSTBL), redesigned to hold a larger share of short-term U.S. Treasuries and overnight repurchase agreements so stablecoin issuers can meet liquidity and audit requirements imposed by the GENIUS Act. The fund aims to combine safety, convertibility and regulatory transparency.
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How does the GENIUS Act influence stablecoin reserve choices?
The GENIUS Act requires issuers to maintain transparent, auditable reserves and to demonstrate sufficient backing for each token. In response, BlackRock increased Treasury allocations and removed certain agency investments to improve liquidity and audit clarity. Jon Steel, BlackRock’s global head of product and platform for cash management, said the updates respond to “the growing number of stablecoin companies seeking trusted and compliant ways to store their reserves.” These changes help issuers meet daily redemption needs and independent audit standards.
Operational changes and institutional implications
BlackRock’s BSTBL redesign centers on three operational adjustments: higher allocation to short-term U.S. Treasuries, introduction of overnight repurchase agreements, and an extended daily trading cut-off to 5:00 p.m. ET. Together, these changes are intended to improve cash convertibility, reduce settlement friction across time zones, and enable quicker responses to large token redemptions. For institutional treasury teams, the adjustments mean clearer liquidity profiles and simpler audit trails tied to government-backed instruments.
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What this means for stablecoin issuers and investors
Stablecoin issuers gain a regulated, cash-management style vehicle to park reserve assets that meet GENIUS Act transparency requirements. Investors and counterparties benefit from exposure to a fund managed by an established asset manager with existing tokenization initiatives. BlackRock already works with major industry participants and operates BUIDL, a tokenized money market fund, while also managing large Bitcoin and Ethereum ETFs. Larry Fink emphasized tokenization’s potential to “reduce intermediaries, lower costs, and increase transaction transparency.”
Frequently Asked Questions
Can stablecoin issuers use BSTBL as primary collateral for tokens?
Yes. BSTBL has been redesigned specifically to serve stablecoin reserve needs by increasing short-term Treasury holdings and adding overnight repo to ensure liquidity. Issuers must still meet the GENIUS Act’s audit and reporting obligations and confirm holdings align with their legal frameworks and redemption mechanics.
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How do these fund changes help during large redemptions?
Extensive Treasury allocations and overnight repo increase convertibility and cash-on-demand. The extended trading cutoff to 5:00 p.m. ET gives issuers and investors additional time to execute transactions, reducing settlement pressure during large-volume redemptions and improving intraday liquidity management.
Key Takeaways
- Regulatory alignment: BSTBL redesign targets GENIUS Act compliance by prioritizing auditable, government-backed assets.
- Liquidity focus: Increased short-term Treasury and overnight repo allocations improve rapid cash access for redemptions.
- Market impact: BlackRock’s move signals institutional acceptance of regulated frameworks; stablecoin supply ~ $300B, with long-term growth forecasts from Citi and TD Cowen noted by industry analysts.
Conclusion
BlackRock’s BSTBL redesign advances a model for a BlackRock stablecoin reserve fund that emphasizes safety, transparency and operational flexibility under the GENIUS Act. By reallocating to short-term Treasuries, adding overnight repo, and extending cut-off times, BlackRock provides a clearer option for issuers and institutional investors. As regulation and tokenization evolve, market participants should monitor fund disclosures, third-party audits and official guidance to evaluate reserve suitability.
Publication: COINOTAG — Published: 2025-10-17 | Updated: 2025-10-17
Author/Organization: COINOTAG
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Sources (plain text): GENIUS Act text; comments from BlackRock executives Jon Steel and Larry Fink; industry estimates of stablecoin supply (~$300 billion); Citi analysts’ 2030 projection; TD Cowen tokenization outlook; official fund materials from BlackRock (public disclosures).
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Source: https://en.coinotag.com/blackrocks-bstbl-redesign-may-attract-stablecoin-reserves-under-genius-act-backed-by-short-term-u-s-treasuries-and-bitcoin-tokenization/
