Solid post. Same mindset here. Sell the coins that you know nothing about. Do proper research on any coin you buy. If the market falls at least you can hold your coins knowing they have a long term future. Personally I always use: https://www.coincheckup.com I'm really happy with this site that gives complete coin analysis for every single crypto. See: https://www.coincheckup.com/coins/Nxt#analysis For the Nxt Analysis.