JPYC Complete Guide: Everything about Yen Stablecoin

JPYC is the world's first regulated Yen-pegged stablecoin, launched in Japan in October 2025. This guide details its issuance structure, collateral mechanism, regulatory framework, tech infrastructure, and implications for the Korean stablecoin market. Based on latest info as of Nov 2025.

1What is JPYC?

JPYC is a fiat-collateralized stablecoin pegged 1:1 to the Japanese Yen (JPY). It is issued by Tokyo-based fintech JPYC Inc. and is the first regulated Yen stablecoin approved by Japan's Financial Services Agency (FSA).

Key Features

  • 1:1 Peg: Maintains value of 1 JPYC = 1 JPY.
  • Fully Collateralized: 101% backed by Japanese bank deposits and government bonds (JGB).
  • Regulated: Registered as Electronic Payment Instrument (EPI) under the Payment Services Act.
  • Blockchain-based: Operates on Ethereum and Polygon networks.

Launch Info

  • Launch Date: Oct 27, 2025
  • Issuer: JPYC Inc. (Tokyo, Japan)
  • Regulator: Financial Services Agency (FSA)
  • License: Funds Transfer Service Provider License
2Issuance Structure

JPYC's issuance and redemption process is designed to be transparent and systematic. All processes are handled via the JPYC EX platform.

Issuance Process

  1. Deposit JPY: User deposits Yen via bank transfer to JPYC EX.
  2. Mint Token: JPYC tokens equivalent to the deposit amount are minted on-chain.
  3. Transfer to Wallet: Minted tokens are sent to user's wallet (e.g., MetaMask).
  4. Collateral Custody: Deposited Yen is held as collateral in bank deposits or JGBs.

Redemption Process

  1. Request Redemption: User requests redemption of JPYC to Yen on JPYC EX.
  2. Burn Token: Requested JPYC tokens are burned on-chain.
  3. Refund JPY: Equivalent Yen amount is transferred to user's bank account.
  4. Release Collateral: Corresponding collateral is released.

JPYC EX Platform

JPYC EX is the official platform for minting and redeeming JPYC. Users can safely exchange Yen and JPYC, with all transactions recorded on-chain for transparency.

3Collateral & Pegging Mechanism

JPYC's strength lies in its stable and transparent collateral structure. All issued tokens are backed by a 101% collateral ratio.

Collateral Composition

AssetDescriptionAdvantage
Bank DepositsYen deposits in Japanese financial institutionsHigh liquidity, instant redemption
JGBsJapanese Government BondsStable interest yield, high credit rating

Pegging Mechanism

  • 1: 1 Minting
  • 1: 1 Redemption
  • 101% Collateral: Maintains 1% excess collateral for stability.
  • Real-time Audits: Collateral ratio monitored in real-time and audited regularly.

Transparency

JPYC keeps all collateral in Japanese institutions and verified by independent audits. This ensures high trust and regulatory compliance.

The conservative mix of cash and bonds ensures stability even in volatile markets.

4Regulatory Framework

JPYC operates under Japan's strict regulatory framework, ensuring user protection and stability.

Payment Services Act

The amended act (June 2023) defines stablecoins as 'Electronic Payment Instruments' (EPIs), distinct from crypto assets.

Key Requirements

RequirementDetails
LicenseFunds Transfer Service Provider license required (JPYC holds FSA approval)
Collateral Ratio100%+ fiat collateral (JPYC maintains 101%)
Collateral AssetsDeposits in Japanese banks or JGBs
Redemption Guarantee1:1 redemption guaranteed at any time
TransparencyRegular audits and disclosure of collateral
AML/KYCCompliance with AML and KYC procedures

Significance

FSA approval signifies official government backing, aiming for user protection, financial stability, and global competitiveness. It serves as a model for other nations.

5Technical Infrastructure

JPYC uses proven blockchain technology for safe and transparent transactions.

Blockchain Platforms

BlockchainFeaturesPros
EthereumWorld's largest smart contract platformHigh trust, extensive DeFi ecosystem
PolygonEthereum Layer 2 scaling solutionFast speed, low fees

Smart Contracts

  • ERC-20 Standard: Compatible with most wallets and exchanges.
  • Automated Mint/Burn: Executed automatically via smart contracts.
  • Transparency: All transactions and collateral states recorded on-chain.

Security

  • External Audits: Smart contracts audited by independent firms.
  • Multi-sig Wallets: Collateral managed via multi-sig to prevent misuse.
  • Compliance: Meets FSA security standards.

Reliability

Using Ethereum and Polygon ensures high reliability. Polygon support offers low fees and fast speeds, ideal for daily payments.

6Business Model & Fees

JPYC adopts user-friendly fees to gain early market share.

Fee Structure

Transaction TypeFeeNote
MintingFreeFree for min. 1 year (2025-2026)
RedemptionFreeFree for min. 1 year (2025-2026)
TransferGas fees onlyVery low on Polygon
HoldingFreeNo time limit

Revenue Model

  • Interest Yield: Earnings from JGBs held as collateral.
  • Fee Waiver Strategy: Zero fees initially to expand user base.
  • DeFi Integration: Future revenue from DeFi protocols.

User Benefits

Free fees offer great benefits, especially for cheaper remittance and payments compared to banks. Polygon usage makes gas fees negligible.

7Goals & Market Outlook

JPYC has ambitious goals to lead the Asian stablecoin market.

Issuance Goals

PeriodTargetNote
2025-2028 (3 years)10 Trillion JPY (~$66B)Official announced goal
By 20302% Market Share, $70B ValueGlobal stablecoin market basis

Market Outlook

  • Asian Expansion: Expanding to Korea, Hong Kong, Singapore, etc.
  • DeFi Integration: Wider use via Ethereum DeFi ecosystem.
  • Corporate Adoption: High potential for B2B payments in Japan.
  • Global Competition: Competing with USDT/USDC to promote Yen transactions.

Growth Strategy

Leveraging free fees, government support, and mega-bank partnerships to grow quickly. Aiming to be the largest Asian fiat stablecoin by 2030.

8Mega Bank Cooperation

Japan's major banks are collaborating, showing convergence of traditional and digital finance.

Partner Banks

  • MUFG Bank: Largest bank, leading joint issuance project
  • Mizuho Bank: Top 3 bank, participating in tech standards
  • SMBC: Supporting global expansion via network
  • MUTB: Custodian for collateral assets

Cooperation Structure

  • Unified Tech Standards: Issuing based on jointly developed standards.
  • Fund Management: MUTB acts as custodian.
  • Regulatory Coop: Working closely with FSA.
  • Market Expansion: Leveraging bank networks.

Significance

Bank cooperation boosts trust, ensures safety and compliance, and facilitates global expansion. A key lesson for Korean stablecoins.

9How to Use JPYC

Using JPYC is simple and versatile.

Buying & Minting

  1. Sign up: Register on JPYC EX.
  2. KYC: Complete identity verification.
  3. Connect Wallet: Link MetaMask (Ethereum compatible).
  4. Deposit JPY: Transfer Yen via bank.
  5. Mint JPYC: Receive JPYC tokens.

Where to Use

  • Remittance: Fast, cheap cross-border transfers.
  • Payment: Online merchants supporting JPYC.
  • Exchange: Trading on crypto exchanges.
  • DeFi: Lending, staking, liquidity on Ethereum. DeFi
  • Savings: Holding digital Yen.

Redemption

  1. Log in: Access JPYC EX.
  2. Request: Ask for redemption to Yen.
  3. Transfer: Send JPYC to platform.
  4. Receive JPY: Get Yen in bank account.

Precautions

  • Requires Japanese bank account.
  • Gas fees apply (recommend Polygon).
  • Bank processing time (1-2 days) for redemption.
  • Secure your private keys.
10Comparison with Korea

JPYC offers important lessons for Korea's stablecoin initiatives.

Japan vs Korea

CategoryJapan (JPYC)Korea (KRW Stablecoin)
LaunchOct 2025 (Launched)Late 2025 - Early 2026 (Exp)
RegulationPayment Services Act (EPI)Digital Asset Basic Act (Prep)
IssuerJPYC Inc. + Mega BanksBank Consortium + Upbit/Naver
CollateralDeposits + JGBs (101%)Deposits mainly (100% Exp)
TechEthereum + PolygonTBD (Likely English)
FeesFree for 1 yearTBD
Goal10 Trillion JPY in 3 yrsTBD

Implications for Korea

  • Clear Regulation: Boosts market trust.
  • Bank Coop: Enhances stability drastically.
  • Free Fees: Effective for early growth.
  • Tech Standards: Global compatibility via Ethereum.
  • Transparency: Mix of bonds/cash for stability/yield.
  • Gov Support: Crucial for success.

Korea's Strengths

  • High Trading Volume: Global leader in crypto volume.
  • Advanced Infra: Fast payment/remittance systems.
  • Cooperation: Upbit+Naver Pay partnership.
  • Policy: Gov support for digital assets.

Conclusion

JPYC proves Asian fiat stablecoins can succeed. Korea can lead by adopting similar regulations and cooperation. Interoperability between JPYC and KRW stablecoins could revolutionize Asian cross-border finance.

11Conclusion

JPYC is a model for safe, transparent fiat stablecoins.

Success Factors

  • Clear Regulation (PSA)
  • 101% Collateral (Deposits+JGBs)
  • Mega Bank Cooperation
  • Free Fee Policy
  • Proven Tech (ETH/Polygon)
  • Gov Support

Lessons for Korea

Korea can accelerate adoption via bank consortiums and platform partnerships.

JPYC-KRW interoperability will improve cross-border payments and boost the Asian ecosystem.

JPYC shows how traditional and digital finance can converge. Let's watch its growth and prepare for the future of Asian digital finance.

JPYC Complete Guide: Everything about Yen Stablecoin | KRW Stable