Since there are thousands of coins in the crypto space, it will be quite very difficult to know them all. Laso, some new ones are coming up nearly every day and their number keeps increasing. Some are dying, while those that are able to survive are still much around, maybe because they are good. So, investing in any of these coins, aside from the top ones and well-known coins that have been mentioned, vital info ned to be gotten about them, in order to make informed decision.