A single login service for all websites using the htm.wiki platform.
This is an example, the admin of the website can restrict what content is available to passport holders, or not by declaring that content inside , special symbols such as: {name}, {email}, {picture}, {id} can be used to display name, email, profile picture and id.
Inside is also interpreted similarly. But inside , can only contain one special symbol which is {login}. Depending on the language, this {login} will be replaced, for example, in English it is "Login", in Vietnamese it is "Đăng nhập".