Interesting blog. Good to see I'm not the only one that is thinking about this. 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. I found this great website: https://www.coincheckup.com They give great insights in the team, the product, advisors, community, the business and the business model and other techincal insights. Check for example: https://www.coincheckup.com/coins/SysCoin#analysis For the SysCoin Detailed analysis