Interesting blog. I was about to post a similair thread. 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. Besides coinmarketcap.com there is: https://www.coincheckup.com They seem to give this complete indepth analysis of all cryptocoins. Check: https://www.coincheckup.com/coins/Ethereum#analysis To watch Ethereum Report.