Quick answer: A BlackRock yen stablecoin link is now being explored. BlackRock signed a memorandum of understanding with SBI Holdings and Startale on Oct. 27, 2026 to explore linking tokenized money market funds with JPYSC, SBI’s trust-bank-backed yen stablecoin. The deal is exploratory: no product, launch date or fund has been named. JPYSC is worth about $131 million.
A BlackRock yen stablecoin link is now on the table in Japan. BlackRock signed a memorandum of understanding with SBI Holdings and Startale on Oct. 27, 2026 to explore connecting tokenized money market funds with JPYSC, SBI’s yen stablecoin.
However, the deal does not launch a product yet. Still, it puts the world’s largest asset manager next to Japan’s first trust-bank-backed stablecoin, and that pairing is worth a close look.
What happened in the BlackRock yen stablecoin deal?
SBI Holdings and Startale Group announced the MOU in Tokyo. On the BlackRock side, there are two entities: BlackRock Financial Management and BlackRock Japan. According to the Startale announcement, the three groups will study the idea in three areas.
- Technology and infrastructure: what it would take for tokenized fund shares and JPYSC to work together.
- Business and distribution: possible business models, using each firm’s networks and clients.
- Regulation and market development: the rules that apply and how the wider market could grow.
In addition, the companies said the project is open to other banks and businesses, both in Japan and abroad. The Block and Crypto Briefing both noted that no integration, fund name or timeline has been confirmed.
What is JPYSC?
JPYSC launched on June 24, 2026. SBI Shinsei Trust Bank issues it, and SBI VC Trade, a licensed crypto exchange, handles distribution. It was billed as Japan’s first trust-type yen stablecoin, meaning a trust bank holds the backing assets in segregated accounts.
Even so, the token is still small. CoinGecko showed a JPYSC market cap of about $131.3 million at 10:56 UTC on Oct. 27, 2026. By comparison, BlackRock’s tokenized BUIDL fund had a market cap of about $2.18 billion on CoinGecko at the same time. In other words, the fund side is already more than 16 times larger than the yen token.
Why does it matter?
A money market fund parks cash in short-term, low-risk debt. Similarly, a tokenized version turns fund shares into tokens that can move and settle on a blockchain. As a result, a stablecoin can then act as the cash leg. That is the core idea here: investors could switch between a yield-paying fund and a payment token without waiting on bank transfers.
For Japan, this matters for three reasons. First, the country already has a clear stablecoin law. Amendments to the Payment Services Act came into force in 2023 and limit issuance to banks, trust companies and registered money transfer firms. Second, yen stablecoins have so far had little to plug into. A link to tokenized funds would give holders a reason to keep money onchain. Third, BlackRock’s name brings credibility with large institutions that tend to wait for big players to move first.
Beyond Japan, there is a broader pattern as well. Traditional asset managers are moving fund shares onto public ledgers at a fast pace. We covered Franklin Templeton’s sgBENJI fund on the XRP Ledger and Aviva’s tokenized sterling liquidity fund in the past week. The BlackRock yen stablecoin talks extend that trend from dollars and pounds to the yen.
The limits worth noting
An MOU is a promise to study, not a promise to build. In fact, many such agreements never become products. Moreover, Japanese reporting from CoinPost points out that JPYSC is currently used inside SBI VC Trade accounts, and a move to public blockchains is still a key open question. Until that happens, any link to onchain funds would stay inside a closed system.
Rules also differ by country, for example. A dollar fund held by Japanese investors raises currency, tax and licensing questions. Meanwhile, other regulators are tightening stablecoin rules, as the Canada stablecoin consultation on a yield ban shows. Any product that mixes a stablecoin with fund yield will face that kind of scrutiny.
What to watch next
First, watch for a named fund. BlackRock has several tokenized products, and the choice will show whether this targets dollar or yen assets. Second, look for JPYSC to move onto a public chain, since that would open it to wider use. Third, check whether other Japanese banks join, because the partners said the framework is open to them.
Meanwhile, wider markets are calm for now. Bitcoin traded at $79,853 at 10:56 UTC on Oct. 27, 2026, down 0.6% in 24 hours, per CoinGecko. For now, traders are waiting on the Federal Reserve decision due Oct. 28.
BlackRock yen stablecoin FAQ
Is BlackRock launching a yen stablecoin?
No. BlackRock is not issuing a stablecoin. It signed an MOU with SBI Holdings and Startale on Oct. 27, 2026 to explore linking its tokenized money market fund expertise with JPYSC, which SBI Shinsei Trust Bank issues.
What is JPYSC?
JPYSC is a yen stablecoin launched on June 24, 2026 by SBI Group with Startale. A trust bank holds its reserves in segregated accounts. Its market cap was about $131 million on CoinGecko on Oct. 27, 2026.
When will the JPYSC and tokenized fund link go live?
So far, no date has been announced. The partners describe the deal as an exploration of technology, distribution and regulation, and they have not named a specific fund or launch timeline.
Not financial advice. Partnership plans can change, and crypto assets are volatile. Always DYOR.
Sources
- Startale: BlackRock, SBI Holdings and Startale sign MOU (Oct. 27, 2026)
- SBI Holdings press release, Japanese (Oct. 27, 2026)
- The Block: BlackRock joins SBI and Startale to link tokenized MMFs with yen stablecoins (Oct. 26, 2026)
- Crypto Briefing: BlackRock signs MOU with SBI and Startale (Oct. 26, 2026)
- CoinPost: SBI and Startale to study tokenized MMF link with BlackRock, Japanese (Oct. 27, 2026)
- CoinGecko: JPYSC market data
- CoinGecko: Bitcoin price



