It may ask you for your bank login information multiple times in order to implement fraud-prevention procedures on your account and secure every transaction you make through Coinbase. You may be prompted to share your documents at times. So, if you're ever asked to disclose any of your bank account information with Coinbase, you should do so without hesitation. However, if you are being asked to disclose such information via unauthorised Coinbase.com Login sites, you should proceed with caution.

-Access your Coinbase account by going to the Coinbase login page. -Then proceed to the page for the Security Center. -Select "Select" for the Authenticator App box under the "Other Options" tab. -The next step is to follow the prompts that keep popping up. -Your account's authenticator will now be enabled.