I heard a powerful phrase: "Why do we need an access token? Can't we just store the password?" So I'll explain it here.
One reader of my ID book asked me the powerful question, "Why do we need access tokens? Wouldn't it be enough to just save the password?" That's right, I haven't explained such basic things. So, I'll add to it if I have the opportunity to revise the book, but for now, I'll just post it on my blog. OAuth and Two Tokens There are five actors involved in OAuth: ...