Yeah and you can't really prove that without having a clean record against hacks, threats, and data leaks. Having this kind of problem early on will just hinder your growth and maybe even be the cause of your early downfall. Building a new crypto exchange is no joke and in order to get some market share from the big fishes you needed to be reliable and secure so you really don't have any room for any errors early on. So if you are asking for this kinds of questions I'm afraid to tell you that you are still not ready to create your own exchange, you still need to plan more particularly on your website's U.I. and security because this will be the foundation for your crypto exchange.