The private key can help you reset the TOTP authenticator. If the key is deleted by mistake, you can manually enter it to restore. For your asset security, CoinEx does not retrieve your key. Usually, after submitting a request, it takes at least 7 days to reset TOTP, please keep it safe.
Step3
Scan QR code and back up private key
Use TOTP authenticator to scan this QR code or type private key manually; save or write your private key down.
Private Key