BlackRock Daily Reinvestment Stablecoin Reserve Vehicle

brsrv
Rank #416•Tokenized Assets, Solana Ecosystem, Ethereum Ecosystem
CoinYQ Dossier

BRSRV Is a New Reserve Fund, Not BUIDL with a New Ticker

BlackRock’s August 2026 launch was not a blockchain mainnet, token sale, or payment stablecoin. BRSRV is a newly created government money-market fund whose permissioned RSVXX OnChain Shares connect a conventional regulated portfolio to Ethereum, Tempo, and Solana. Its defining questions concern investor eligibility, transfer-agent control, portfolio limits, and the conditional scope of its intended stablecoin-reserve status.

A separate successor in strategy, not a BUIDL rename

BlackRock introduced BUIDL on March 20, 2024 as its first tokenized fund on a public blockchain. BUIDL provides useful history for BlackRock’s tokenization strategy, but it remains a separate private fund; its Ethereum contract, monthly token-distribution model, and offering terms are not evidence about BRSRV.

BlackRock launched BRSRV on August 3, 2026 alongside OnChain Shares of the existing BSTBL fund. BSTBL added a tokenized share class to an existing fund, whereas BRSRV was newly created for digitally native institutional investors. BlackRock uses BRSRV as the product abbreviation and RSVXX for its OnChain share class.

A conventional government portfolio behind permissioned records

BRSRV’s portfolio mandate is traditional: 100% of total assets in cash, U.S. Treasury instruments maturing in 93 days or less, and overnight repos secured by Treasury instruments. Dollar-weighted average maturity may not exceed 60 days and weighted-average life may not exceed 120 days. The fund does not invest in cryptocurrencies; the blockchain layer records fund shares.

Securitize acts as transfer agent and tokenization provider. At launch, the permissioned system operated in connection with Ethereum, Tempo, and Solana, but wallets had to be approved and linked to verified identities. The agent can restrict transfers and may freeze, revoke, or reissue shares in specified circumstances, so OnChain does not mean permissionless.

Daily reinvestment and reserve intent have defined limits

BlackRock describes BRSRV as offering daily dividend reinvestment and multi-blockchain accessibility. That wording supports a distribution policy, not claims of real-time compounding, automatic daily token credits, or unrestricted round-the-clock redemption. The product page also listed a $3 million minimum initial investment when reviewed, reinforcing its institutional design.

The fund intends to operate so its OnChain Shares qualify as eligible reserve assets for permitted U.S. payment-stablecoin issuers under the GENIUS Act. The same disclosures say implementing standards were not finalized and could change the portfolio or operating process. The reviewed documents do not state that RSVXX holders own any stablecoin’s reserves. They also warn that the $1.00 share-value objective is not guaranteed, the fund is not insured like a bank deposit, and its sponsor need not absorb losses.

How the project changed

  1. 2024-03-20
    BUIDL establishes BlackRock’s earlier tokenization model

    BlackRock launches its first tokenized fund on Ethereum. BUIDL is a separate private fund and historical context, not BRSRV’s former name.

  2. 2025-07
    The GENIUS Act creates the reserve-policy backdrop

    A U.S. framework for permitted payment-stablecoin issuers becomes the basis for BRSRV’s intended eligible-reserve-asset strategy, subject to later implementing standards.

  3. 2026-07-31
    BRSRV’s definitive registration statement is filed

    The SEC filing sets out the government money-market mandate, permissioned OnChain Shares, transfer-agent controls, and blockchain and stablecoin-regulatory risks.

  4. 2026-08-03
    BRSRV and RSVXX launch

    BlackRock launches the newly created fund with daily dividend reinvestment and multi-blockchain accessibility; Securitize serves as transfer agent and tokenization provider.

Evidence and primary sources

Last evidence review: 2026-08-22

What is BlackRock Daily Reinvestment Stablecoin Reserve Vehicle?

BlackRock Daily Reinvestment Stablecoin Reserve Vehicle (BRSRV) is a newly created U.S. government money-market fund launched on August 3, 2026. Its OnChain share class uses ticker RSVXX and is recorded through a permissioned system connected at launch to Ethereum, Tempo, and Solana. It is a fund security for eligible institutional investors—not a payment stablecoin, a freely transferable cryptoasset, or a blockchain network.

BRSRV is separate from BlackRock USD Institutional Digital Liquidity Fund (BUIDL), the private tokenized fund launched in March 2024. The reviewed BRSRV documents describe daily dividend reinvestment, a conventional cash-and-Treasury portfolio, and an intention to qualify its OnChain Shares for certain stablecoin-reserve uses; they do not make BRSRV a renamed BUIDL token or give shareholders ownership of any payment stablecoin's reserves.

What problem does BlackRock Daily Reinvestment Stablecoin Reserve Vehicle solve?

BRSRV addresses a specific institutional problem: connecting a regulated government money-market portfolio to blockchain-based ownership records and approved-wallet transfers. BlackRock presents this structure as an additional cash-management option for digitally native institutions and permitted payment-stablecoin issuers.

The product does not eliminate the controls or risks of a regulated fund. Investors must satisfy eligibility and identity checks, transfers can be restricted, and the GENIUS Act reserve treatment remains subject to implementing rules and interpretation. BRSRV therefore offers permissioned digital infrastructure, not unrestricted 24/7 liquidity, a risk-free return, or a guaranteed dollar claim.

How does BlackRock Daily Reinvestment Stablecoin Reserve Vehicle work?

The fund invests 100% of total assets in cash, U.S. Treasury instruments maturing in 93 days or less, and overnight repurchase agreements secured by Treasury instruments. Its mandate limits dollar-weighted average maturity to 60 days and weighted-average life to 120 days. It does not invest in cryptocurrencies or other digital assets.

Securitize serves as transfer agent and tokenization provider. OnChain Shares are held in approved wallets linked to verified identities on a permissioned system that connects to public blockchains. The transfer agent may restrict transfers and, in specified circumstances, freeze, revoke, or reissue shares. Daily dividend reinvestment describes how distributions are treated; it is not proof of real-time compounding, automatic daily token minting, or continuous redemption at a fixed price.

Key facts

  • BRSRV launched on 2026-08-03 as a newly created government money-market fund; it is separate from BUIDL.
  • BRSRV is the product abbreviation, while RSVXX is the ticker shown for its OnChain share class.
  • The portfolio mandate is 100% cash, U.S. Treasury instruments with maturities of 93 days or less, and Treasury-secured overnight repurchase agreements.
  • The mandate caps dollar-weighted average maturity at 60 days and weighted-average life at 120 days.
  • At launch, the permissioned OnChain system connected to Ethereum, Tempo, and Solana, and wallets had to be approved and tied to verified identities.
  • Securitize is the transfer agent and tokenization provider and may restrict transfers or, in specified circumstances, freeze, revoke, or reissue shares.
  • BlackRock intends the shares to qualify as eligible reserve assets under the GENIUS Act, but the reviewed documents say important implementing standards were unfinished.
  • The fund seeks to preserve $1.00 per share but does not guarantee it; it is not a bank account or government-insured, and the sponsor need not cover losses.

Official links

Official websiteWhitepaperX / Twitter

Categories

Tokenized AssetsSolana EcosystemEthereum EcosystemReal World Assets (RWA)Tempo EcosystemTokenized Money Market Fund (MMFs)

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Frequently asked questions

Is BRSRV the same fund as BUIDL?

No. BUIDL is BlackRock's separate private tokenized fund launched in March 2024. BRSRV is a newly created government money-market fund launched on August 3, 2026; the BUIDL contract and its distribution mechanics should not be attributed to RSVXX.

Is RSVXX a payment stablecoin with a guaranteed $1 price?

No. RSVXX denotes an OnChain share class of a money-market fund. The fund seeks to preserve $1.00 per share, but BlackRock expressly says it cannot guarantee that value, the investment is not a bank account or government-insured, and the sponsor is not required to reimburse losses.

How does daily reinvestment work?

BlackRock describes BRSRV as providing daily dividend reinvestment. The reviewed materials do not support stronger claims that interest is compounded in real time, that new tokens are automatically credited every day, or that holders can redeem continuously at a fixed price.

Who can hold or transfer BRSRV OnChain Shares?

The product is designed for institutional investors. Wallets must be approved and tied to verified identities, transfers remain subject to law and transfer-agent controls, and the product page listed a $3 million minimum initial investment when reviewed on 2026-08-22.

Do BRSRV shareholders own a stablecoin issuer's reserve assets?

The reviewed documents say BlackRock intends to operate the fund so its OnChain Shares can qualify as eligible reserve assets for permitted U.S. payment-stablecoin issuers. They do not state that a shareholder directly owns the reserves of any stablecoin or has a separate redemption claim against a stablecoin issuer.

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