Regulated Stablecoin Reserves
State Street Unveils New Money Market Fund for Stablecoin Issuers Under GENIUS Act Framework
Key Points
State Street launched the product on June 16 and identified it by ticker as SSCXX, describing it as a Rule 2a-7 government money market fund built specifically for stablecoin issuers under the GENIUS Act framework.
Anchorage Digital’s involvement is tied to its broader regulated stablecoin activities, including that it holds a federal banking charter and has issued Tether’s GENIUS-compliant token USAT, as well as produced branded stablecoins for Western Union, Falcon Finance, and OSL Group.
State Street positioned SSCXX alongside its other on-chain liquidity infrastructure: it referenced SWEEP, a tokenized on-chain liquidity fund developed with Galaxy Digital that lets stablecoin holders move assets into cash-equivalent form on-chain, and noted that it launched a Digital Asset Platform in January 2026 for token lifecycle management, plus a partnership with Taurus covering digital custody, tokenization, and node management.
State Street CEO Yie-Hsin Hung framed the GENIUS Act as enabling a clear investment framework for reserves, saying the firm’s approach focuses on “principal preservation, liquidity and income.”
Anchorage co-founder and CEO Nathan McCauley emphasized that stablecoins are “core financial infrastructure” and argued that reserve-quality and management requirements are becoming more important as the regulatory regime takes shape—underscoring why a regulated reserves vehicle is needed.
State Street Investment Management launched the State Street Stablecoin Reserves Money Market Fund on June 16, 2026, becoming the fourth major asset manager to offer a dedicated reserve vehicle for stablecoin issuers Blockhead. The fund, ticker SSCXX, is built as a Rule 2a-7 government money market fund — the same structure used by traditional cash funds — and is designed to comply with the GENIUS Act, the landmark federal stablecoin law signed by President Trump in July 2025 CoinMarketCap.
The fund quietly launched with $121 million in assets on June 8 before its public announcement Asset Servicing Times. Its minimum investment is $15 million, its expense ratio is 0.18%, and it carried a 7-day yield of 3.44% at inception. State Street CEO Yie-Hsin Hung said the fund focuses on "principal preservation, liquidity and income" — plain-English terms for keeping the dollar stable, the money accessible, and generating some return.
The GENIUS Act Created This Market Overnight
Before July 2025, stablecoin issuers kept their reserves wherever they wanted — often on crypto-native balance sheets with little transparency. The GENIUS Act changed that. It requires stablecoins to be backed one-for-one by liquid assets like U.S. dollars or short-term Treasuries Grafa. Issuers must publish monthly attestations of their reserve holdings. If an issuer fails, stablecoin holders get paid before any other creditor.
The Senate passed the GENIUS Act 68–30 in June 2025. The House followed 308–122 in July The Full FX. Those votes forced billions in stablecoin reserves out of unregulated balance sheets and into regulated cash-management channels — exactly the business State Street is now chasing. The firm projects global stablecoin issuance will reach between $1.9 trillion and $4 trillion by 2030, citing Citi Institute estimates.
Anchorage Digital Brings a Federal Charter to the Table
State Street's launch partner is Anchorage Digital, the first federally chartered crypto bank in the United States Blockhead. Anchorage is not just a backer — it is already deep inside the GENIUS-compliant stablecoin ecosystem. It issues Tether's GENIUS-compliant token USAT. It has also created branded stablecoins for Western Union, Falcon Finance, and OSL Group.
Anchorage co-founder and CEO Nathan McCauley said stablecoins are "quickly becoming core financial infrastructure," making reserve quality "critically important" Asset Servicing Times. That framing explains the partnership: Anchorage brings the regulated stablecoin clients; State Street brings the institutional-grade cash management. Together, they offer issuers a one-stop reserve solution under the new federal rules.
State Street Is Building a Full On-Chain Cash Stack
SSCXX is not a standalone product. State Street launched its Digital Asset Platform in January 2026 to manage token lifecycles CoinMarketCap. In May 2026, it teamed up with Galaxy Digital to launch SWEEP — a tokenized fund that lets stablecoin holders move assets into cash-equivalent form on-chain, around the clock. The firm also partnered with Swiss fintech Taurus for digital custody and tokenization technology.
The idea is a seamless loop: a stablecoin issuer parks reserves in SSCXX, earns yield on short-term Treasuries and repo agreements, and can shift liquidity on-chain through SWEEP at any hour — no waiting for bank opening times Grafa. State Street president Joerg Ambrosius described the shift as moving from "experimentation" to "practical, scalable solutions" that meet institutional standards.
JPMorgan and BlackRock Are Already in the Race
State Street is not first. Blockhead reports it is the fourth major asset manager to launch a dedicated stablecoin reserve vehicle. JPMorgan has developed its own tokenized liquidity products. BlackRock manages reserves through its BUIDL fund and has partnered with Circle and Anchorage for tokenized money-market options. The competition is intense because the prize is large: whoever manages stablecoin reserves at scale controls a multi-trillion-dollar cash pool.
Not everyone is optimistic. U.C. Berkeley economist Barry Eichengreen has warned that flooding the Treasury market with stablecoin reserves could "unleash chaos" and create new systemic risks if issuance grows as fast as projections suggest. Legal scholars have also raised questions about whether regulatory costs will squeeze out smaller stablecoin innovators who cannot afford a $15 million minimum investment in a reserve fund Asset Servicing Times.
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