bitFlyer has a partnership with Cryptact Ltd. to offer virtual currency profit and loss calculation services. After logging in, you can download the necessary information from the Trade Report menu.
For more information, please reference our press release(only available in Japanese).
There is a possibility of differences in the annual trade report issued by bitFlyer and tax@cryptact offered by Cryptact Ltd. due to differences in the methods of calculation. It is also important to consider whether or not you have made any purchases, sales, deposits, or withdrawals have been made between bitFlyer and other companies or entirely through other companies.
Please understand that filing your final tax return and its results are your own responsibility. For more information on final tax returns and the handling of taxes on crypto assets (virtual currency) trading, please contact your local tax office or a tax counselor.