In short: easier to implement, everyone has an email address, improved privacy. OpenID tells the provider every time you log in to any website, Persona does not

In short: easier to implement, everyone has an email address, improved privacy. OpenID tells the provider every time you log in to any website, Persona does not. https://developer.mozilla.org/en-US/docs/Mozilla/Persona/Why_Persona https://developer.mozilla.org/en-US/docs/Mozilla/Persona/Why...