A nickname is for you to identify your bank account and cannot be used to login. Nickname is different from your username.
PIN is a 6-digit Personal Identification Number used for authorizing transactions. A PIN does not contain alphabets, an example of a PIN is123456. The 6 digit PIN further guarantees the security of your transactions.
Password is a secret word that must be used to log into the Digital application.
A standard password must contain capital letters, small letters, special characters and minimum 8 digits. An example of a password is Fish@9876