Many coins will explode, sure with many ppl joining crypto world recently. and some ico with real project will release their coin/token in 2018
I hope that the situation in the market will improve in the autumn.
This is possible that this year is a very big explosion of Altcoins cryptos because some of it are now getting popular most particularly to ethereum and bitcoincash which are now increasing market demands and some project runs with these reliable altcoins. But this will depends upon the performance of bitcoin market behavior as this coin is the king of all cryptocurrencies.
there aere alot of things you shoyld remenber and i believe that cryptocurrency market will find out the solution against scammers