Several mobile apps are available that will generate a unique time-sensitive security code you can use to secure your Coinbase account. Any app that supports the Time-based One-Time Password (TOTP) protocol should work, including the following:
To use one of these apps:
Navigate to Security Settings.
Ensure you have a verified phone number.
Select Enable Authenticator and follow the instructions.
Try troubleshooting if you're having issues with your 2-step verification.
If you're looking for the most secure 2-step verification method, we recommend using a security key.