In my personal analysis the reason many people going for exchange projects especially ICOs projects based on the exchangers projects because it is real businesses related with cryptocurrencies and it is easy to understood than other project, and the exchangers projects can be used by the community of cryptocurrencies now, it is good projects for coming future for example Citowise projects is one of many projects related with exchanger and cryptocurrencies including the wallet to store our cryptocurrencies on this service.