Three banks, one currency. On June 10, 2026, MUFG Bank, Mizuho Bank, and Sumitomo Mitsui Banking Corporation jointly announced plans to launch a yen-denominated stablecoin for real commercial transactions before the end of Japan's fiscal year, which closes in March 2027. This isn't a lab experiment: Japan's three largest banks, serving hundreds of thousands of major corporate clients, have signed a foundational agreement to establish a dedicated council covering governance, operational rules, and issuance architecture.
How It Works: The Trust Structure
The model works like a jointly owned building with a single manager. The three banks will act as co-settlors, while a trust bank or equivalent institution will serve as trustee for the issuance. This structure is made possible by Japan's Payment Services Act, reformed in 2023, which reserves yen-pegged stablecoin issuance to licensed banks, trust companies, and registered fund transfer operators.
The Financial Services Agency (FSA) has backed the pilot since November 2025, and Japan's ruling party has publicly called for expanding yen stablecoin adoption.
Years of Groundwork in Japan
Functionally, the foundation was already in place. JPYC, Japan's first legally recognised yen stablecoin, launched in October 2025. SBI and Startale followed in February 2026 with JPYSC, targeting institutional and cross-border use cases. Now the megabank move, announced on MUFG's official website, shifts the conversation to a different level: Japan's shared credit infrastructure. The governance council will remain open to other institutions wishing to join the scheme.
Regulated yen stablecoins: cumulative initiatives
Source: JPYC, SBI/Startale press releases and MUFG-Mizuho-SMBC joint announcement, June 2026
Why This Matters Beyond Japan
The real significance is in the model itself. Three direct competitors issuing a single digital currency under public oversight mirrors the logic of Europe's Qivalis consortium, which now counts 37 banks including Intesa and BPER. It's the opposite of the American approach, where the GENIUS Act regulates competing private issuers.
For businesses moving money across time zones, a bank-backed stablecoin cuts settlement times and friction, as detailed in our guide to B2B stablecoin payments. While Tokyo builds out its infrastructure, the ECB is targeting a digital euro no earlier than 2029, with private banks filling the gap through solutions like Circle CPN. The central question between now and March 2027 is whether a tokenized yen stays a domestic rail or becomes Asia's first shared bank settlement corridor.
