i am new in crypto world and i don't have much information about altcoins and gem hidden coins can any one tell me the difference between altcoins and gem coins and how can i find the real coin for investment?
All coins are basically the same, they don't have any advantages, but what makes this coin a choice or gem is a stable price level and a good selling price in the market, so you can categorize gems based on the selling value, purchase value and rating of the coin.
But every coin has a certain moment, both now and in the future, today if you want to know gem coins and altcoins please go to coinmarketcap to see all coins and their position, so you can conclude which are gem coins and common altcoins.