Here is some very good advice by Thorsten Weigel on how to invest in Cryptocurrency. 

He recommends simple 5 rules: 

Rule 1 Go down the rabbit hole 

Rule 2  Use CryptoCurrencies 

Rule 3 Become a Hodler 

Rule 4 Own your keys 

Rule 5 Question everything 

I recommend to read his full article on Medium.com:

 The CryptoCurrency Owner’s Manual