Decent point. Same thoughts 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. This is quite an interesting website I found: 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/Monero#analysis For a complete Monero Detailed report.