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.
Click the option to "Enable Authenticator" and follow the instructions.
If you are looking for the most secure 2FA method, we recommend using a security key.