Identity

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There are many existing and proposed schemes for managing distributed or federated identity over the Web. This page catalogs some of the use cases, desired features, mechanisms, and proposals.

Feature Support

OpenID OAuth XAuth .well-known WebID
distributed yes yes yes yes yes
identity yes yes yes yes yes
login - - - - yes
avatar image - - - - yes
contact info - - - - yes
service providers - - - - yes
multiple accounts/ids - - - - yes
3rd party proxies - - - - yes
encryption - - - - yes


Technologies

OpenID

OAuth

XAuth

.well-known

WebID

Features

Distributed

Dereferenceable

Identity

Login

  • Username
  • Email
  • Url

Avatar Image

Contact Info

  • Phone Number
  • Address
  • Email Address
  • Website
  • Blog
  • Workplace

Service Providers

  • XAuth-Style
  • Payment Authority
  • Microblogging Account
  • Map Service
  • SMS
  • Photo Service
  • Email Service

Multiple Accounts/IDs

3Rd Party Proxies Operating on Your Behalf

  • Tweet
  • Add/Remove Friends
  • Etc.

Encryption

  • End-To-End (No Man-In-The-Middle Attacks)