Top 100 is a quite big number. I think that every cryptocurrency is worth of interest, everyone could be potential success. So we shouldn't limit to only the top ones. you should do your research an choose the best suitable for you. For example, I’m investing in FuturoCoin because of its aim to make cryptocurrencies more popular around the world, like with their partnership with Formule 1:
https://newsroom.futurocoin.com/lets-start-the-season/