Why is it unreasonable? Your brokerage should be tracking your entry and exit for each trade and sending you a comprehensive 1099-B come tax time.
If your cryptocurrency brokerage isn't doing that for you, move your money elsewhere. If you can't find a brokerage that does that for you, maybe you should start wondering what other important controls are missing from your brokerage. Just saying.
If your cryptocurrency brokerage isn't doing that for you, move your money elsewhere. If you can't find a brokerage that does that for you, maybe you should start wondering what other important controls are missing from your brokerage. Just saying.