Two-Factor Authentication (2FA) is easy to integrate with BTC-e by using the SAASPASS Authenticator(works with google services like gmail and dropbox etc.) and it's Multi-Factor Authentication (MFA) capabilities. The SAASPASS Authenticator supports the time-based one-time password (TOTP) standards. Download the SAASPASS app and setup the SAASPASS Authenticator.
You can find additional information on activating SAASPASS Authenticator into BTC-e on this page.
Log into BTC-e. In the upper right hand corner, click ‘Profile’, on the left panel choose ‘Security’. Below ‘Two-Factor Authentication’, click ‘Create a key’.
Open your SAASPASS app, scroll down to AUTHENTICATOR, choose ‘+’, and SCAN BARCODE. Hold your mobile app to the barcode on your computer screen and then enter the code produced by SAASPASS. Click to confirm.
Choose when you would like to use this key: at each login, when you withdraw or when you change security settings. Save and you’re all set! Enjoy being more secure.
The key differences between Google Authenticator and SAASPASS Authenticator: