Want to quickly and easily exchange AppCoins for Centra at a bebeficial rate? You have come to the right place! Our website offers modest fees, safe exchange, around-the-clock support, and a functional user-friendly interface. On our crypto exchange, one might exchange crypto at either a fixed or a floating rate. In the first case, you can “fix” the rate for 15 minutes. In this way, you will be protected against cryptocurrency market volatility. But note that in such a case, the commission is higher. If the rate increases, this option can help you save a significant amount of cryptocurrency. Alternatively, you can use a floating rate and take the risk of the rate change. Exchange APPC for CTR on our website or by using our application.