Mandatory (shared) information:
- Sign-in name
- Password
- General demographic information?Includes country/region, state (United States only), and ZIP Code (United States only).
- Passport 2 will use alternate auth credentials like PINs and telephone numbers.
Optional (owner may opt out of disclosing):
- User's first and last names
- Nickname
- Gender
- Date of birth
- Preferred language
- Time zone
- Occupation
- Secret question and answer (this enables Passport to verify users' identities if they forget their passwords and need to reset them)
- Opt-in preferences for sharing the user's e-mail address and name with participating sites, and for enabling accessibility features
