Security has been a big thing with exchanges and those hacks that happened recently are indeed scary for everyone. It's good to see actual cybersecurity professionals making their own exchange.
Does this team have experience with the blockchain?
Developers consulted in other projects that have already created exchanges?
Read about it in Linkedin, where you can find ROKKEX team members.
ROKKEX has cybersecurity experts
I am sure that they will be able to create the most secure exchange, but it is also very important to understand how they are going to attract users to this exchange.