Tax season ends on 17th April, so lot of hidden income tax, I think after April 17th we can see a big boom on BTC and other major coins. Please note The United States of America with leading with the percentage of participants with 32% followed by china 29% and then UK. People made a ton ton of money in 2017 so handling tax is big time headache- so give them some time to handle IRS and then they will back on the game with revive energy and enthusiasm.