Of course it is recommended to choose the top currency in the market to make an investment decision because here your safety is maintained and your margin can be protected.
Detailed information is necessary in order to get success not only in crypto investment or trading but in every field of life because without knowledge and information a person looks like a blind person who does not identify what to do.
If a person knows about the past of one coin then it will become easy for him to select or not that coins but it is not necessary that you will ask about the past from your friends or other people but you can also take information by watching videos and reading through different sites.
I will say that top coins only can give you profit according to your expectations but if you choose any other coin and have not searched about it then hardly you will find it better.