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?
Welcome mate in cryptoworld, most of the succesful alts was ethereum whicjlhs use as a basis of other alts. Gem alts is define as genuine and profitable alts which booming at the market. One of the most visited site if you want to know highest potential altcoin, just go to the coinmarketcap.com and so many kinds of alts there for you to choose.