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BlackRock launches BSTBL and BRSRV tokenized money market products

BlackRock launches BSTBL and BRSRV tokenized money market products

BlackRock introduced tokenized Treasury-based liquidity products on Ethereum and across multiple blockchains, targeting institutional investors and stablecoin reserve use cases under the GENIUS Act.

ETH
BUIDL

Fact Check
Primary SEC EDGAR 485APOS filings dated May 8, 2026 confirm both products, their exact tickers (BSTBL, BRSRV), and all substantive characteristics in the claim: tokenized fund shares, short-term U.S. government-backed assets, liquidity/principal stability (stable $1.00 NAV), and use for institutional cash management and stablecoin reserves. Independent corroboration from CryptoSlate and Markets Media matches. The only nuance is that these were registration statements ('not yet effective') — technically a filing/registration rather than a completed launch — so the word 'launches' modestly overstates the status, but the products and their described purpose are genuine and accurately characterized.
Summary

BlackRock has expanded its blockchain-based cash management push with two tokenized money market products designed for institutional investors and stablecoin reserve use cases. The firm launched BSTBL, a tokenized share class of its existing Select Treasury Based Liquidity Fund on Ethereum, and BRSRV, a newly created tokenized money market fund that supports multiple blockchains and automatically reinvests daily dividends. Both products invest in traditional low-risk instruments rather than digital assets. BlackRock said BSTBL will continue investing in cash, short-term US Treasurys and Treasury-backed overnight repurchase agreements, while eligible investors can transfer tokenized fund shares between approved wallets. The firm also said both BSTBL and BRSRV are structured to qualify as eligible reserve assets for permitted US payment stablecoin issuers under the GENIUS Act, the federal stablecoin law enacted in July 2025. The launch extends BlackRock's footprint in tokenized Treasurys, an area where its USD Institutional Digital Liquidity Fund, or BUIDL, remains the largest tokenized Treasury fund with more than $2.6 billion in assets, according to industry data. The move underscores how cash-equivalent and Treasury-backed products are becoming a core institutional use case for tokenization as firms bring regulated financial instruments onto blockchain infrastructure.

Terms & Concepts
  • Tokenized money market products: Blockchain-based versions of money market fund interests that let ownership and transfers be recorded on-chain while the underlying assets remain traditional cash-like instruments.
  • Stablecoin reserve assets: Liquid, low-risk holdings used by stablecoin issuers to support redemptions and maintain confidence in the token's value.
  • Tokenized Treasurys: Blockchain-recorded interests linked to funds or instruments backed by US Treasury securities.