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?
You should settle in for a long term investment. Choose a project with real utility where your money is safe. One very good project I'd like to recommend is XSN - Stakenet's native currency.
Instant TXs and settlements
Near-zero fees
Scalable
Cross-chain
Private
No wrapping
API supported
Backed by an amazing team and community.