Although the InternetWide Architecture is building structures to support
advanced modern-day users now and in the far future, the properties of
personal control over online identity can start really modest, with a
simple phone number.
The ideal identity system integrates well with the web, and with non-web
applications. The systems that are most seriously used in these realms are
SAML and Kerberos, respectively. But until now, they didn't mix...