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Realized profit and loss calculation for all of your cryptocurrency investments



Unlike traditional financial products, you can easily transfer cryptocurrencies instantly at any time which means that calculating profit and loss of your cryptocurrency investment spreading over multiple exchanges are difficult. Launched in December of 2017, tax@cryptact provides a comprehensive solution to this problem and has been already used by more than 30,000 registered users as well as over 30 tax accountant offices.

Supported exchanges and coins

Supported cryptocurrencies

More than


Supported exchanges


More than 2,800 coins are supported. The number of supported exchanges is 33 and increasing.



Japan’s largest investment support platform supporting over 2,800 coins and all types of trades

tax@cryptact has already been utilized by over 30,000 users. We support more than 2,800 cryptocurrencies and 33 exchanges. We also support all trade types including buy/sell (including leveraged and FX), purchasing goods/services, lending, hard forks, mining, airdrops, and network fees. You can choose between Yen (JPY), US Dollars (USD) and Euro (EUR) as your reporting currency. We support USD taxations as well such as short and long-term capital gains.


Mark-to-market value calculation with minute-by-minute prices

In order to create a fiat-based ledger, when you exchange cryptocurrencies you need to obtain those cryptocurrencies’ prices in your reporting currency. tax@cryptact uses minute-by-minute prices for nearly all of our coins to have greater accuracy compared to services using daily prices. For traders who do frequent intraday trading, taxpcryptact can accurately calculate your cost basis and profit & loss.


Detailed support documentation and Helpdesk support

tax@cryptact provides detailed support documentation including how to obtain trade history from exchanges, our calculation methods, and how to deal with invalid transactions caused by missing information( Email support is also available and we reply within 3 business days on average.

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Looking for a tax accountant?
(Japan residents only)

  • Plan Specifics

    80,000 ~ 150,000 JPY

    If your FY2018 capital gains are more than 1.5M Yen:

    Fixed rate of 150,000 Yen

    If your FY2018 capital gains are less than 1.5M Yen:

    80,000 Yen or 10% of your capital gains, whichever is greater.

    If your capital gains exceed 30M Yen, there may be additional charges as the risk to our partner offices increases.

  • Requirements


    Your income must consist only of ordinary income (salary) and cryptocurrency capital gains.

    If you have other classes of income, the rate may be increased. Please ask upon introduction.


    Please prepare trade histories by yourself.

    If you have transaction history that you can’t obtain or need significant help with to aggregate there may be additional charges. In some cases it may not be possible to make an introduction if your data is very inconsistent.


    This rate is for FY2018 only.

    If you need preparation for previous tax years there may be additional charges. Please ask upon introduction.

    Cryptact Ltd. is not responsible nor liable for any dispute that may arise between you and our partnering offices.During peak periods it may not be possible to make a timely introduction.

Please note

Cryptact only introduces tax accountants, and we are not aware of any conversation between you and the tax accountant after that.
Cryptact cannot guarantee the service offered by tax accountants. Additionally, due to the limited resources, we may not be able to respond to all of the requests we receive.

Tax accountant introduction form

Please fill in the following form if you’d like to apply this plan.

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