At this moment am confused as to which currency to invest in. I need advice please
You don't need to be confused if seen from the previous achievements, actually a lot of coins are worthy for you invest, and I personally encourage you to buy ETH LTC NEO and ADA, or you can do your own research on coinmarketcap.com because what I think is good, isn't necessarily good for you.
when we are hard and unsure of a solution by finding top coinmarketcap is a great solution. we can look for coins and tokens that already have a volume and also a large community. as he mentioned is an example