For those that sold/traded cryptocurrency in 2017, did you file your cryptocurrency capital gains taxes? How did you calculate them? How long did it take you? What cost basis method did you use?
Btw I'm the co-founder of CoinTracker (<a href="https://www.cointracker.io" rel="nofollow">https://www.cointracker.io</a>) and we think we have a solution that takes the immense pain out of this problem.