TheBlock
State Street has launched a Rule 2a-7 government money market fund — the State Street Stablecoin Reserves Money Market Fund (SSCXX) — designed specifically for stablecoin issuers to park their reserves in compliance with the GENIUS Act, the US stablecoin framework passed in July 2025. Initial backing came from State Street Bank and Trust Company and Anchorage Digital, with the fund targeting principal preservation, daily liquidity, and a stable $1 share price while earning a modest yield.
Why it matters
SSCXX places State Street alongside BlackRock, Morgan Stanley, and JPMorgan in a fast-forming club of US bank and asset managers building GENIUS-compliant reserve vehicles — a category that didn't legally exist before the Act created a clear framework for how stablecoin reserves can be invested. CEO Yie-Hsin Hung framed the launch as the natural extension of State Street Investment Management's 40-year cash management franchise into a new regulatory perimeter. Anchorage's role as launch backer is itself a signal: the federally chartered digital asset bank already issues Tether's USAT, plus branded stablecoins for Western Union, Falcon Finance, and OSL Group, putting a regulated issuer on the cap table from day one.
Market impact
The buildout has the shape of a coordination moment rather than a one-off product. As a Rule 2a-7 government fund, SSCXX can hold only cash, short-dated US Treasuries, repo agreements, and cash equivalents — the conservative end of the money-market spectrum, which is what stablecoin issuers need to back 1:1 redeemable tokens without credit-duration risk. The launch also extends State Street's existing stablecoin-adjacent footprint: the firm already runs the State Street Galaxy Onchain Liquidity Sweep Fund (SWEEP), a tokenized onchain cash product, and stood up its Digital Asset Platform in January for token lifecycle management. The structural read: US institutional plumbing for stablecoins is consolidating around a small set of federally connected balance sheets, and the GENIUS Act is doing the work of telling issuers exactly which door to walk through.
Frequently asked questions
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What is the State Street Stablecoin Reserves Money Market Fund?
SSCXX is a Rule 2a-7 government money market fund launched by State Street to let stablecoin issuers park their reserves in cash, short-dated US Treasuries, and repos, with a $1 stable share price and daily liquidity.
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How does SSCXX comply with the GENIUS Act?
The fund is explicitly designed to meet the GENIUS Act framework passed in July 2025, which set clear US rules for how stablecoin reserves can be invested — qualifying as a permitted reserve vehicle under that regime.
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Who backed the launch of SSCXX?
Initial investment came from State Street Bank and Trust Company and Anchorage Digital, the federally chartered digital asset bank that also issues Tether's GENIUS-compliant USAT and branded stablecoins for Western Union, Falcon Finance, and OSL Group.
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How does SSCXX differ from State Street's existing onchain cash products?
SSCXX is a traditional Rule 2a-7 government money market fund, while State Street already runs the tokenized onchain cash product SWEEP with Galaxy — SSCXX is the GENIUS-compliant reserve vehicle, SWEEP is the onchain sweep product.
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Why is this launch significant for the stablecoin sector?
State Street joining BlackRock, Morgan Stanley, and JPMorgan signals that US institutional plumbing for stablecoin reserves is consolidating around a small set of federally connected balance sheets, with the GENIUS Act as the rulebook directing issuers to those doors.
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