Portier is a security and privacy application that allows users to securely access websites, applications, and other online resources. With Portier, users can create an account with a single username and password, and then use that account to access multiple websites and applications. Portier also allows users to securely store and share their personal information, such as addresses, phone numbers, and credit card numbers, across all of their accounts. In addition, Portier provides users with a secure connection to their network, and it also includes features like two-factor authentication, encryption, and secure storage. With Portier, users can be sure that their data is protected, and that their online activities are private.
Notice discontinued on the official site: "persona is no longer actively developed by Mozilla. Mozilla is committed to operational and security support of persona.org services until November 30, 2016. On November 30, 2016, Mozilla will shut down the persona.org services. Persona.org and related domains will be taken offline." See https://developer.mozilla.org/en-US/Persona