>>551
こういうのは?
https://www.cryptact.com/tax-2020/?gclid=CjwKCAjwqIiFBhAHEiwANg9szohXpUluCiqRJVCpjWoiMh-ex-GoaQUixjYXp9g3ZMCsASVxlXhNDRoCy5UQAvD_BwE