If you’re using Authy apps on multiple devices, you can use your alternate device to de-authorise your missing phone from producing valid tokens. The password feature on Authy app will also protect it from unauthorised access.
When you obtain a new phone and retrieve your phone number, you will be able to access all of your accounts by registering the app again using the same phone number.
If you've changed your phone number, please contact CoinfloorEX Support choosing "Change Phone Number/Yubikey" as your Question type. To ensure your account security, we will require that you respond to a number of security questions to register your new phone number. Once your identity is confirmed, CoinfloorEX Support will act swiftly to re-enable your access to your CoinfloorEX account.
If you experience any issues with registering the Authy app on a new device with the same number, you may find the following advice helpful: