Yes of course it will. The only reason why there are so many coins out there is that where the money is. Huge amount.of money is being transacted here, that some people take advantage by trying to tokenize everything to earn money. But for sure blockchain will be very useful leaving only significant coins.
There is no any hurdle in the development of the blockchain technology it will definitely develop in the coming future but along with that the cryptocurrencies will also develop as blockchain is a technology in which these currencies are used as a means of transaction for the money and money is the important part of any business.