How to buy Cosmos (ATOM) in Japan
This is general information, not legal, tax, or financial advice. It is not a recommendation to buy any asset. Verify the current rules with a qualified local professional and the official regulator before acting.
Buying Cosmos (ATOM) is legal in Japan through an exchange registered with the Financial Services Agency that has listed the coin, as of June 2026. ATOM is offered by registered platforms such as GMO Coin and SBI VC Trade. You complete identity verification, deposit yen, and buy. Profits from crypto are generally taxed as miscellaneous income at progressive rates. This page explains the steps, not whether to buy.
Is buying Cosmos (ATOM) legal in Japan
Yes. Buying, holding, and selling Cosmos (ATOM) is legal in Japan as of June 2026, provided you use a registered exchange. Japan regulates crypto assets under the Payment Services Act, and a platform that offers crypto exchange services to residents must register with the Financial Services Agency (FSA). The Japan Virtual Currency Exchange Association (JVCEA), a self regulatory body recognised by the FSA, helps set rules and reviews which crypto assets registered exchanges may list. ATOM is not on the JVCEA green list of pre screened assets, so it is listed through individual screening on the exchanges that offer it. The practical effect is that whether you can buy ATOM depends on whether an FSA registered exchange has listed it, and several have, so confirm the current listing on the platform you choose.
The steps to buy compliantly
1. Choose an FSA registered exchange that lists ATOM
Pick an exchange registered with the FSA that currently lists ATOM. FSA registered exchanges that have listed ATOM as of June 2026 include GMO Coin and SBI VC Trade. Because the set of listed coins differs between platforms, confirm the exchange is FSA registered and currently lists ATOM before you sign up.
2. Complete identity verification
Under Japanese anti money laundering rules, registered exchanges verify your identity before you can trade. You will usually provide identity documents and complete a verification check, after which your account is enabled.
3. Deposit yen and buy
Fund the account with Japanese yen through the exchange's supported methods, such as bank transfer, then place an order for ATOM. Payment options and fees vary by platform, so check the current methods. The buy itself is not a taxable event, but it sets the cost you use later.
4. Keep records and consider storage
Keep records of the purchase date, amount, and price, because you will need them to calculate miscellaneous income when you sell or convert the coin. You can leave ATOM in custody on the exchange or move it to a wallet you control. If you use a staking style service, confirm how it works and how rewards are taxed before committing funds.
The tax to plan for
In Japan, profits from crypto such as ATOM are generally treated as miscellaneous income, as of June 2026. That income is combined with your other income and taxed at progressive national income tax rates, with local inhabitant tax on top, so the effective rate can be high and is generally higher than the separate flat rate that applies to listed shares. A taxable event typically arises when you sell ATOM for yen, swap it for another crypto asset, or use it to pay for something, and staking style rewards are generally taxed when received. The National Tax Agency administers the rules, and reform of how crypto is taxed has been discussed publicly. See the Japan crypto tax page for the full detail, and confirm your treatment with a qualified Japanese tax professional before filing.
Where to buy
FSA registered exchanges serve Japanese residents as of June 2026 and several have listed ATOM for yen buyers. Compare registration, fees, and listed assets before you sign up, and confirm the current listing with the exchange. This is a description of availability, not a recommendation or a ranking.
Compare exchanges available to Japan users
FSA registered exchanges that have listed ATOM include GMO Coin and SBI VC Trade. See the available options side by side, then verify the FSA registration and that the exchange lists ATOM before you sign up.
Compare available exchangesRegulator and sources
- Financial Services Agency (FSA) registration and supervision of crypto asset exchange service providers under the Payment Services Act, current to June 2026.
- Japan Virtual Currency Exchange Association (JVCEA) the self regulatory body that helps set rules and review crypto asset listings.
- National Tax Agency (NTA) on the treatment of crypto profits as miscellaneous income.
Frequently asked questions
Is it legal to buy Cosmos (ATOM) in Japan?
Yes. Buying, holding, and selling Cosmos (ATOM) is legal in Japan as of June 2026, provided you use an exchange registered with the Financial Services Agency. Crypto assets are regulated under the Payment Services Act, and a coin must clear the exchange and JVCEA listing process to be offered.
How is Cosmos (ATOM) taxed in Japan?
In Japan, profits from crypto are generally treated as miscellaneous income, as of June 2026, and taxed at progressive rates that combine with other income, with local inhabitant tax on top. This can be higher than the separate rate that applies to listed shares. The National Tax Agency administers the rules. This is not tax advice.
Which platforms can I use to buy Cosmos (ATOM) in Japan?
FSA registered exchanges that list ATOM, such as GMO Coin and SBI VC Trade, allow yen buyers to trade it. ATOM is listed through individual screening rather than the green list, so confirm a platform is FSA registered and currently lists ATOM before you sign up.
Can I stake Cosmos (ATOM) in Japan?
Some registered Japanese exchanges offer staking style rewards on ATOM, and self custody staking is also possible, as of June 2026. Rewards are generally treated as miscellaneous income when received, with a separate calculation on later disposal. Check the specific service and your tax position first. This is not advice.
Related pages
Risk and change note: Japan's crypto rules and tax treatment are under active discussion, and the set of coins listed on registered exchanges changes over time. The positions above carry an as of date and were last reviewed on June 26, 2026. Confirm the current FSA registration, the listing of ATOM, and the tax treatment with the exchange, the FSA, and a qualified professional before you act. Nothing here is investment advice.
Subscribe to The Compliance Ledger
One short weekly note when a rule or an exchange status changes. Information, not advice.