
Many investors in Japan wonder whether using overseas cryptocurrency exchanges is legal. In short, it is not illegal for Japanese individuals to use overseas cryptocurrency exchanges. Under current Japanese law, operators of crypto asset exchanges must register with the Financial Services Agency (FSA), but there are no legal restrictions on individuals using these services.
The legal framework for crypto asset trading in Japan is governed by the Payment Services Act. This law requires operators of crypto asset exchanges to register with the Prime Minister. Specifically, it states: “No person may engage in crypto asset exchange business unless registered with the Prime Minister.”
However, this regulation mainly targets exchange operators, not individual users. Therefore, while operating an unregistered crypto asset exchange is illegal, there are no legal issues for individuals who use overseas exchanges that are not registered with the FSA.
Understanding this legal structure provides reassurance when using overseas exchanges. However, legal compliance does not eliminate all risks.
Many overseas crypto exchanges are not registered with Japan’s FSA, which makes some investors in Japan uneasy. In the past, some overseas exchanges have received warnings from the FSA and subsequently restricted access for Japanese users.
These cases have fueled the misconception that “overseas exchanges = illegal.” However, Japanese individuals using unregistered exchanges is not a violation of the law. The critical point is not whether the exchange itself is operating illegally, but whether individual usage contravenes any laws.
That said, some exchanges have received FSA warnings or may suspend services without notice, so it is essential to conduct proper research and gather information before using them.
Overseas exchanges that are not registered with the FSA may carry security risks. These include hacking incidents, fraudulent crypto assets, and sudden service suspensions.
When using overseas exchanges, it is important to take the following measures:
Taking these precautions helps minimize the risks of using overseas exchanges.
When selecting a cryptocurrency exchange, it is essential to comprehensively evaluate several critical factors. Below are five key points to consider.
Security is the highest priority in crypto trading. Confirming how an exchange protects customer assets is crucial for safe trading.
Exchanges with strong security measures typically offer:
Other important factors include server stability, DDoS mitigation, and 24/7 monitoring systems. Robust customer support can also ensure prompt responses when issues arise.
When assessing an exchange’s security, check for any history of hacking incidents and how they were handled.
The selection of cryptocurrencies offered is vital for building an investment strategy. While major assets like Bitcoin and Ethereum are widely available, offerings of altcoins can vary significantly by exchange.
Advantages of exchanges with a broad selection of assets:
However, too many listings may include illiquid or fraudulent projects, so thorough research is critical. For long-term prospects, choose exchanges that list a wide range of assets but apply strict vetting processes.
Exchange fees can have a significant impact on long-term returns. Understand and compare all types of fees.
Main fee types include:
Selecting exchanges with lower fees enables more efficient trading. For active traders, even small differences can add up substantially over time.
Consider fee discounts based on trading volume or proprietary token holdings when comparing exchanges.
User-friendliness of trading tools has a direct impact on trading success. For beginners, exchanges with intuitive interfaces make onboarding easier.
Key features of high-quality platforms:
Mobile app usability is especially important for monitoring markets and trading on the go. Beginners may prefer simplicity, while advanced users may require sophisticated charting tools and API access. Choose an exchange that fits your experience and trading style.
Reliability is fundamental for safe crypto trading. Choosing a trusted exchange greatly enhances asset security.
Checklist for evaluating reliability:
Due diligence involves independent reviews of an exchange’s operations and financial health, with results disclosed to the public. This process enables investors and counterparties to accurately assess risk and greatly enhances transparency.
Due diligence typically covers financial condition, security, compliance, and management background, clarifying potential risks.
The Merkle tree structure allows for hierarchical data storage on the blockchain, supporting efficient verification of data integrity. This enables quick identification of tampering and strengthens the trustworthiness of transactions and asset management.
Regular disclosure of reserves using Merkle trees allows customers to objectively verify that assets are properly managed—an important metric for evaluating reliability.
Using overseas crypto exchanges provides advantages not available with domestic platforms, but it also comes with certain drawbacks. Below are details on both sides.
Overseas exchanges often list hundreds or even thousands of cryptocurrencies, far exceeding the number offered by domestic exchanges. This significantly broadens investment opportunities.
Advantages of a large asset selection:
However, many low-liquidity assets are included. Careful research is essential, especially for emerging tokens—verify project legitimacy and team credibility.
Overseas exchanges generally offer narrower spreads than domestic platforms. Narrow spreads lower trading costs and enable more price-efficient trading.
Benefits of low spreads:
While domestic exchanges often use brokerage models with wider spreads, overseas exchanges typically use order book models for tighter spreads.
Overseas exchanges may offer leverage of 100x or more, compared to the 2x limit in Japan. This allows users to control large positions with relatively small capital.
Characteristics of high-leverage trading:
High leverage also increases risk, so strict risk management is essential. Beginners should start with low leverage.
Some overseas exchanges only provide support in English. While many major platforms offer Japanese, some do not provide complete Japanese-language support.
Language-related issues:
Translation tools are helpful, but for important transactions, accurate communication is crucial.
Most overseas exchanges do not support direct deposits or withdrawals in Japanese yen. Users must convert yen to crypto at a domestic exchange before transferring funds overseas.
Typical process:
This process adds fees and time, and exposes assets to price fluctuations during transfers.
Overseas exchanges are not immune to hacking. Several have suffered major breaches and asset losses.
Security measures:
Check if the exchange has insurance coverage for added protection.
Overseas exchanges may suddenly restrict access for Japanese users due to FSA warnings or international regulatory changes. Some major platforms have previously exited the Japanese market or stopped serving Japanese users.
Responding to regulatory risk:
Since regulatory support for Japanese users may change, always stay informed and flexible.
The Travel Rule is a global regulation requiring exchanges to share sender and recipient details for crypto transfers. Its aim is to prevent money laundering and terrorist financing, and it has recently been implemented in Japan.
In Japan, the Travel Rule was enacted through amendments to the Act on Prevention of Transfer of Criminal Proceeds, imposing stricter counter-terrorism measures on domestic exchanges and impacting users significantly.
Due to the Travel Rule, users must provide detailed sender and recipient information when transferring crypto from a domestic to an overseas exchange.
Required information:
Exact requirements vary by exchange, so confirm in advance. Missing information may result in transfer refusal or account freezing.
Domestic exchanges use different technical solutions for Travel Rule compliance, such as “TRUST” or “Sygna.” These solutions are not always compatible with each other.
Impact of transfer restrictions:
Always confirm that both sending and receiving exchanges are compatible before making a transfer.
Even if a domestic exchange supports a crypto asset, it may not be transferable due to the Travel Rule and solution-specific support.
Examples:
Before making overseas transfers, confirm that your chosen asset is supported under the Travel Rule. If unsupported, consider converting to a supported asset first.
Below are five overseas crypto exchanges popular among Japanese users, with an overview of their features, advantages, and key considerations.
This Asia-based exchange is a major crypto platform that fully supports Japanese and lists over 300 assets. Its user-friendly interface and strong support system are particularly attractive to Japanese users.
The platform’s standout feature is up to 100x leverage trading. Users can take large positions with minimal capital, and the zero-cut system prevents losses from exceeding collateral, supporting effective risk management.
Convenience highlights:
No direct JPY deposits/withdrawals
Direct yen deposits or withdrawals are not supported. Users must purchase crypto at a domestic exchange and transfer it in. Extra fees and processing time may apply.
No trust asset protection
This exchange is not FSA-registered and does not offer the trust protection available at domestic exchanges. In the event of bankruptcy, assets may not be protected. Avoid holding large sums for extended periods and diversify regularly.
Ratings
This platform specializes in derivatives and copy trading, serving over 20 million users globally. It provides Japanese support and an intuitive mobile app for all levels of traders.
The main feature is up to 125x leverage trading, attractive for traders seeking substantial returns. The zero-cut system ensures no debt remains after unsuccessful trades, making leveraged trading accessible and safer for beginners.
Copy trading features:
This platform offers industry-leading copy trading, enabling users to automatically replicate expert trades—ideal for those with limited experience.
Types of copy trading:
Asset protection:
This platform is committed to asset protection, disclosing holdings via “Merkle Tree Proof-of-Reserves” and maintaining over 200% reserves—objectively demonstrating a focus on user asset security.
This platform is not FSA-registered and carries some regulatory risk in Japan. As with other overseas exchanges, direct yen deposits and withdrawals are not available—users must go through a domestic exchange.
Ratings
This Asia-based exchange offers over 700 assets and user engagement events, making it especially popular with those seeking altcoin opportunities.
Extensive asset selection
The platform’s strength lies in its listing of over 700 assets. Unlike major exchanges focused on large coins, it lists many minor altcoins and tokens from new projects, appealing to those seeking minor coin exposure.
Minor coin investment features:
Low fees for cost efficiency
Spot trading fees are 0.1%, among the lowest in the industry, benefiting frequent traders. Deposits and withdrawals are free, ideal for small-scale trading.
Beginner-friendly Japanese support
Menus and FAQs are in Japanese, and the app is easy to use for seamless trading on the go.
This platform has experienced major security incidents in the past but fully compensated users and enhanced security since. Always verify current security measures before using. Also, as a regionally based platform, it may be affected by local political and regulatory changes. Monitor for any changes to Japanese user access.
Ratings
This exchange serves over five million users across more than 100 countries, offering advanced trading features and a user-friendly platform for all skill levels.
Diverse trading tools
The platform supports MetaTrader 5 (MT5) and enables trading in crypto, forex, equity indices, and precious metals, greatly expanding investment choices. It also offers copy trading, futures, and grid trading for a variety of strategies.
Strong security
Proof of reserves is audited by third parties, and the platform uses AI KYC and bank-level security measures for a safe trading environment.
Full Japanese support
With over 600 crypto assets and full Japanese localization, it is very accessible for Japanese users.
This platform is not FSA-registered, so there is regulatory risk. It does not offer DeFi features such as staking or lending; fees are relatively high, and the system may be complex for beginners. Past security incidents have occurred, so always check the latest security status.
Ratings
This Asia-Pacific-based platform offers more than 2,900 assets, far exceeding other exchanges. Its rapid new listings provide early access to promising tokens—ideal for those seeking early-stage opportunities.
Industry-leading asset selection
With over 2,900 assets, the platform covers everything from major coins to new and minor tokens unavailable elsewhere.
Rapid new token listings
New blockchain project tokens are listed faster than on other platforms, providing early investment opportunities—especially attractive for trend-focused investors.
Japanese-language customer support
The official site, app, and Japanese-speaking staff provide quick, reliable support for Japanese users.
Proprietary token benefits
Holding the platform’s token offers:
These perks enable lower costs and more investment opportunities.
Credit card purchases supported
Buy crypto with yen by credit card for fast onboarding—no domestic exchange needed. Additional fees may apply; compare costs carefully.
Direct bank transfers in yen are not supported. Use a credit card or transfer from a domestic exchange. Consider fees and exchange rates to optimize costs. Basic trading fees are higher than competitors, but proprietary token holders receive substantial discounts. For long-term use, consider holding the token. With so many assets, some may be illiquid or fraudulent. Always research projects thoroughly before investing.
Ratings
Overseas crypto exchanges offer a wide range of assets and advanced trading features not available in Japan, making them a strong choice for investors seeking diversification. Benefits include diverse altcoins, high leverage, and low fees.
However, overseas exchanges operate under different regulations, so confirm their security and customer asset protection. Unregistered exchanges do not provide trust asset protection, so assets may not be protected if the exchange fails.
Recent rules such as the Travel Rule also require compliance—users must provide detailed information and verify transfer eligibility. Some exchanges may not be compatible for transfers, so always check in advance.
Key points for selecting an overseas exchange:
This article compared the features, benefits, drawbacks, and notes on five overseas exchanges popular with Japanese users. Each platform has unique strengths and weaknesses—choose according to your investment style and goals.
Risk management basics:
By choosing the right exchange and preparing for risks, you can take full advantage of overseas investment opportunities. However, crypto investment always carries risk—invest responsibly and only with surplus funds.
Finally, while using overseas exchanges is legal, you must fulfill tax obligations. Profits from crypto trading are considered miscellaneous income and must be reported appropriately. Keep accurate transaction records and handle tax reporting diligently.
When choosing an overseas exchange, prioritize security (two-factor authentication), trading volume, fee structure, licensing, and KYC/AML compliance. Beginners should focus on ease of use and robust security, while experienced traders may prefer advanced tools and lower fees.
Leading global exchanges include Binance, Coinbase, OKX, Bybit, and Upbit. Binance has the highest trading volume, Coinbase offers comprehensive services, OKX has an active community, Bybit specializes in derivatives, and Upbit dominates the Korean market.
Overseas exchanges offer more listed assets and higher trading volumes, while domestic exchanges provide stronger regulatory compliance. Choose based on your trading needs and compliance requirements.
Select a trusted exchange and enable two-factor authentication. Prepare ID documents and protect your personal information. Review terms of service and manage your funds carefully.
Overseas exchanges typically charge maker fees of 0.02–0.1% and taker fees of 0.04–0.1%. Choosing a low-fee exchange helps reduce your trading costs.
Overseas exchanges support thousands of cryptocurrency pairs, and new listings are generally fast. The number of available assets varies by platform, from major coins to smaller tokens.
The legal status of overseas crypto exchanges varies by country. Major jurisdictions are tightening regulation: the UK will bring crypto under the FCA in 2027; the US has strict SEC oversight; China permits holding crypto but bans trading. Globally, the trend is toward more transparency and tax reporting.











