Current Exchanges Trading QUSD:
cointiger.com
coinhub.io
ooobtc.com
worldmarkets.io
The fact that the QUSD project is present on 4 exchanges is very cool! But you need to try listing for more well-known exchanges with a large number of users!
There are enough of such exchanges for a start, there is no sense to apply for popular ones yet, as people will not be trading there