The credit card user name is the user name set by an individual when registering in the credit card service hall, that is, the name of the account to be logged in (login, login, entry, etc.). ), which is the identification code of the website. You can use Chinese characters, letters, codes, etc. For example, Mount Everest, zmlmf, 12345, etc. As the user name.

Extended data

Any website that allows users to register will set a "registration" label in a prominent position on its home page for users to apply for. As long as it meets the requirements, other users can register without this name; If the name has been registered by others, a prompt will be given. In this case, you can only apply again until the registration is successful. The user name of the network, the most common are QQ, email, blog, forum and so on.

Baidu encyclopedia-user name