How come did you profit if you invest during 2017 ATH? Supposedly you bought 1btc during it's Ath with atleast 20k, even if you did managed to double or triple it the outcome will still be negative cause btc is now at 3700 same as with Eth and other altcoins. Maybe you bought not in 2017 so that's why you are able to gain profit cause if you do buy during ATH i cant think of how it is possible that you profit from it even you double or triple the coins that you have.