Account Security
Please use both password and Google Authenticator to ensure maximum protection of your account.
Password
Google Authenticator
Used for the verification in account login, withdrawal, API creation, etc. and could switch to the SMS verification mode freely (vise versa).
Anti-Phishing Code
By setting up an Anti-Phishing code, you will be able to know whether your notification emails are really sent by P2P2B2B or they are just phishing attempts.