And the simple answer is do invest in those cryptocurrencies you either understand the business behind.
It depends as well a lot at which stage you are if you are new to cryptocurrencies you most likely go best if yo invest in Bitcoin, Ethereum and one other coin from the Top 10. If you are more experienced you can select a view promising once within the TOP 100. Are you at a level where you want to go full Risk, ICOs are your game but be carefully ICOs have the potential of big losses.
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