!!! Overview
[{$pagename}] or [CoT], is a [Identity Trust Framework] of [service providers|SP] and [Identity Provider (IDP)] that have business relationships based on [Liberty Alliance] architecture and operational agreements, and with whom users can transact business in a secure and apparently seamless environment. 


As federated communities create interdependencies and, consequently, the need for [trust] between participants, the [{$pagename}] is viewed by the [Liberty Alliance] as an essential component of establishing a system of [federated Identity] based on [Liberty Alliance] specifications.


The [{$pagename}] is a concept central to the [Liberty Alliance] Project. 


A [{$pagename}] is an [Identity Trust Framework].

!! More Information
There might be more information for this subject on one of the following:
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* [#1] - [Legal Framework for Circles of Trust|http://www.projectliberty.org/liberty/news_events/press_releases/liberty_alliance_outlines_legal_framework_for_circles_of_trust_to_comply_with_european_union_data_protection_and_privacy_laws/?f=liberty/news_events/press_releases/liberty_alliance_outlines_legal_framework_for_circles_of_trust_to_comply_with_european_union_data_protection_and_privacy_laws|target='_blank'] - based on information obtained 2013-04-10