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Domestic-facing on/off ramp + fiat↔crypto bridge layer (MoonPay / Transak / Banxa / VASP direct)

Confidence: Likely Updated 2026-05-24 Review by 2026-08-08 Sources 5 Machine-translated Original (JA)
#exchanges#on-ramp#off-ramp#fiat-bridge#payment-gateway#web3
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This entry sits under exchanges index. Read it against Domestic crypto-asset market maker / OTC desk industry overview for peer / contrast context and FSA crypto-asset exchange registration system — number system / Local Finance Bureau jurisdiction / registration requirements for the broader system / regulatory boundary.

Overview

On-ramp / off-ramp is the gateway infrastructure for “fiat ↔ crypto-asset.” It is the first step when domestic users access Web3 dApps / NFT marketplaces / DeFi, providing a direct conversion route of JPY → ETH/USDC/USDT. Because in Japan, under the Payment Services Act, crypto-asset sales accompanied by JPY deposits = crypto-asset exchange business (VASP registration) is required, the simple Japan rollout of overseas on-ramp operators is constrained by the license barrier, and a dual structure of domestic VASP direct routes + cross-border provision by overseas on-ramps (a gray zone) coexists.

Domestic VASP direct route (official on/off ramp)

The most legally clear route is the account of an FSA-registered VASP + bank transfer:

  • bitFlyer — JPY instant deposit (Sumishin SBI Net / Sumitomo Mitsui, etc.) → purchase BTC/ETH, etc. → transfer to external wallet
  • GMO Coin, Inc. — Japan crypto-asset exchange operator overview — instant deposit + free withdrawal fee
  • SBI VC Trade — speeds up bank deposits/withdrawals via SBI Shinsei Bank-affiliated linkage
  • Coincheck — Monex Group-affiliated · bank transfer + convenience-store deposit
  • bitbank — order-book-trading-centered but also used as an on-ramp
  • BitTrade (HUOBI-affiliated) — strong in obtaining USDT-family via linkage with overseas HUOBI

This route is under the constraints of KYC + bank account + JVCEA WhiteList currencies (JVCEA rule), and long-tail tokens cannot be obtained.

Overseas on-ramp operators’ provision to Japan (cross-border)

When obtaining dApps / NFT-family tokens not handled by domestic VASPs, there are cases where users directly purchase JPY → USDC, etc., via overseas on-ramp operators’ web widgets. The legal positioning is continuously gray (the FSA continues to strengthen cross-border VASP regulation):

  • MoonPay (Miami, US 2019-) — the most widely integrated into Web3 wallets (MetaMask / Phantom, etc.). JPY support (varies by period), credit card + Apple Pay + Google Pay deposits
  • Transak (London, UK 2019-) — a global on/off ramp. Integrated into MetaMask Portfolio / Trust Wallet / OpenSea, etc. Whether JP users are supported varies by period
  • Banxa (Melbourne, Australia 2014-) — a listed company (Toronto Venture). Holds multi-jurisdiction licenses globally
  • Ramp Network (London, UK 2017-) — Web3 -centered, integrated into multiple wallets
  • Mercuryo (London, UK 2018-) — Web3 + a crypto-asset debit card
  • Sardine (San Francisco, US 2020-) — strong in fraud prevention, institution-oriented
  • Wyre (service ceased 2021 ), Simplex (Nuvei-affiliated) — integrated into major wallets but handling for Japan is limited

These cross-border operators form a configuration that enables transactions via a domestic ID + a JPY credit card, but the FSA continuously monitors unregistered VASPs’ cross-border provision, with precedents of business-improvement orders / warning-letter issuance against specific operators.

Combinations of the direct-exchange route and dApps bridges

A typical practical pattern:

  1. Purchase USDC/USDT/ETH at a domestic VASP → transfer to external wallet → use dApp / NFT
  2. Use a dApp from an external wallet → after taking profit, transfer back to a domestic VASP → JPY withdrawal (off-ramp)
  3. When a non-JVCEA-WhiteList currency is needed, via an overseas CEX (Binance / Bybit / OKX, etc.) → but services for Japan residents are in principle restricted

Combinations of credit cards / Pay services

  • bitFlyer Crypto Card (including in preparation), Coincheck Tsumitate Pay linkage, Visa / Mastercard-family crypto cards, etc. — adjacent means of fiat → crypto-asset purchase are expanding
  • PayPay / au PAY / LINE Pay are not yet supported as crypto-asset on-ramps (except LINE BITMAX linkage)
  • On Japan Financial Regulation — Legal Framework for Tokens, Crypto Assets, and Payments, crypto-asset purchase via Pay operators is a boundary issue between funds-transfer business + VASP

Particularities of stablecoin on-ramps

With the 2023-06 enactment of the amended Payment Services Act, JPY-denominated stablecoins under a specific trust-beneficiary-right scheme were institutionalized:

  • JPYC — the transition from prepaid type → to electronic payment instrument (trust type) is advancing
  • Mitsubishi UFJ Trust Bank-affiliated Progmat Coin — a trust-type stablecoin platform
  • The trust subsidiaries of MUFG / SMBC / Mizuho — considering institutional JPY stablecoin issuance

With the spread of these, a two-stage bridge of JPY ↔ JPY stablecoin ↔ USDC/USDT is expected to become standardized in the future.

Regulation + audit + forensics

Sources