The amount of protection that exchanges may offer to customers may well depend on where they are registered and the licensing requirements (or lack thereof) for the exchanges to operate in that jurisdiction. Storing your cryptocurrency on an exchange for more than a day or two is never a good idea, and if that exchange were to cease operating for any reason at all, your options will be determined by the local laws of the jurisdiction where the exchange is registered. Generally speaking, the tougher the licensing requirements for an exchange, the more protection you’re likely to be offered. However, you should verify the details of any exchange that you choose to use and the level of protection that it may or may not offer you.