Chances of a long term bottom have increased recently and investors can start accumulating small positions. BUT there is still no confirmation of a new bull market and another ugly low might be in.
See the recent presentation of one of the best crypto traders:
https://www.dropbox.com/s/s902tihiv7lxxkj/Trader%20Expo%20March%202019%20%281%29.pdf?dl=0
PS: Never sold and kept reinvesting over the last 12 months.