To be honest, we can't really say if a project will be successful until they do all the hardwork from behind and pleases their customers. I'm sure that you already know that customer support is one of the reasons for a exchange to be successful, so you need to operate a customer driven exchanges, answers all queries on time and don't let them wait. You also need to protect our assets as well as exchanges is the main target of hackers now so goodluck to you and your project.