SBI Group Launches JPYSC, Japan’s First Trust Bank-Backed Yen Stablecoin

JPYSC has officially launched today, Japan’s first trust bank-backed yen stablecoin, issued by SBI Shinsei Trust Bank and distributed exclusively through SBI VC Trade. The token is pegged 1:1 to the yen, classified as an electronic payment instrument under Japan’s Payment Services Act, and carries no transaction cap, a structural detail that separates it from every prior yen stablecoin attempt in the domestic market.

Earlier fund-transfer-type stablecoins in Japan were subject to a 1 million yen ceiling on both transactions and balances, a constraint that rendered them useful for retail payments and little else. JPYSC removes this ceiling, opening the door to institutional-scale on-chain settlement, tokenized RWA transactions, and cross-border FX use cases that the prior generation of Japanese stablecoins structurally could not support.

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Trust-Bank Structure: Digital Yen Stablecoin Regulatory Differentiator

The structural distinction that makes JPYSC huge within Japanese crypto regulation is the issuance architecture. SBI Shinsei Trust Bank holds reserve assets, cash, and highly liquid yen-denominated instruments in a segregated trust account. Holders carry a direct legal claim under trust law to the underlying yen.

The Payment Services Act classification as an electronic payment instrument reflects this structure. Japan’s revised framework created a legal pathway specifically for trust bank stablecoins, and JPYSC is the first product to reach the market through that route.

Singapore-based Startale Group, co-developer of JPYSC alongside SBI, provided the blockchain infrastructure and developer tooling; Startale CEO Sota Watanabe described the token as infrastructure for “Japanese retail users, enterprises, and global financial institutions” to transact onchain.

In October 2025, JPYC received approval as Japan’s first legally recognized yen stablecoin, but under the fund-transfer framework with its 1 million yen cap intact. Japan’s three megabanks, MUFG, SMBC, and Mizuho, are jointly developing a stablecoin and announced plans in June 2026 to begin live commercial transactions during fiscal year 2026. JPYSC beat them to market with a structure the megabank project has not yet matched publicly.

The multi-chain architecture Startale has outlined for JPYSC, targeting deployment across multiple public chains via Sony-backed infrastructure, would further differentiate the token if it materializes. A single-chain yen stablecoin is a payment rail. A multi-chain yen stablecoin with no transaction cap and trust-law reserve backing starts to look like foundational settlement infrastructure for Japan’s on-chain financial market.

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JPYSC Is Infrastructure, Not a Liquidity Event

Initial access to JPYSC is restricted to SBI VC Trade account holders, a deliberate constraint SBI has indicated will remain in place until regulatory and tax treatment is fully clarified. This is a reasonable sequencing decision for a novel instrument, but it also means the token’s near-term addressable market is limited to SBI’s existing exchange client base.

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SBI VC Trade has flagged a JPYSC lending service as a near-term addition, which would add yield mechanics to a pure settlement instrument and potentially accelerate institutional adoption. The tokenized RWA angle is the more consequential long-term use case. It’s no secret that a yen-denominated stablecoin with no cap and trust-law backing is a natural settlement layer for Japan’s growing pipeline of tokenized securities, real estate, and structured products.

The regulatory trajectory across major jurisdictions reinforces why this structure matters. Ripple’s RLUSD received MiCA approval in the EU on the strength of its regulated, reserve-backed structure. Regulatory legitimacy is increasingly the price of admission for stablecoins targeting institutional flows, and JPYSC clears that bar within the Japanese framework.

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