JPYSC Unleashed: Inside Japan's First Trust-Backed Yen Stablecoin and the Death of Transaction Caps

The global stablecoin landscape just shifted on its axis, and the epicenter is Tokyo. On June 24, 2026, Japanese financial titan SBI Group, in close coordination with Singapore-based Web3 infrastructure pioneer Startale Group, officially issued and pre-distributed JPYSC.

This is not just another fiat-pegged token; JPYSC is Japan’s first-ever trust-bank-backed stablecoin and the first to secure legal status as a Type III Electronic Payment Instrument under Japan’s amended Payment Services Act. By doing so, it has effectively solved the single greatest bottleneck holding back institutional Web3 adoption in Asia: transaction limits.

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Smashing the 1 Million Yen Cap

Until today, Japanese yen-denominated stablecoin initiatives operated under "Type II" fund-transfer licenses. While compliant, these instruments are legally bound to a strict cap of 1 million yen (~$6,200 USD) per transaction and account balance. For enterprise treasury departments, supply chain managers, or global trading desks, this limitation rendered on-chain settlements virtually useless.

JPYSC bypasses these barriers entirely through its sophisticated trust-bank structure. Under the hood, token holders receive a trust beneficiary right—a statutory claim on reserves held in a segregated account at SBI Shinsei Trust Bank. Legally ring-fenced from the balance sheets of both the issuer and the bank, this design permits unlimited transaction sizes and balances, unlocking true institutional-grade utility.

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Technical Architecture & Phased Rollout

Co-developed with Startale Group, the initial ¥10 billion ($61.8 million USD) issuance of JPYSC has been minted on the Ethereum blockchain. The launch is currently progressing through a controlled, phased implementation:

• Phase 1 (Active): JPYSC is currently confined to the ecosystem of SBI VC Trade (SBI’s licensed exchange). Direct transfers to external, self-custodied public wallets are temporarily locked while tax and public-chain regulatory treatments are finalized.
• The Yield Engine: To incentivize early liquidity, SBI VC Trade is preparing to launch a dedicated JPYSC lending service, allowing institutional holders to earn yield on their idle digital yen.
• Phase 2 (Upcoming): Technical preparations to migrate the stablecoin to public Ethereum and Layer-2 networks are already complete, awaiting final regulatory greenlights.

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Why JPYSC is the Blueprint for G7 Stablecoins

While the United States continues to debate stablecoin legislation via the pending CLARITY and GENIUS Acts, Japan’s proactive approach is paying massive dividends.

By marrying the bulletproof consumer protections of the Trust Act with the programmability of Ethereum, JPYSC provides a regulatory-compliant blueprint for other G7 economies. Startale Group and SBI are already targeting six massive target markets for JPYSC: on-chain foreign exchange markets, institutional lending, real-world asset (RWA) settlement, domestic retail payments, cross-border remittances, and over-the-counter (OTC) trading.

The message from Tokyo is clear: the slow-moving era of sandbox experimentation is officially over. Institutional finance is moving on-chain, and it’s settling in yen.