Kantara is a joint initiative originally founded by the Liberty Alliance, the Dataportability project, the Concordia Project, the Internet Society, the Information Card foundation, OpenLiberty.org and XDI.org.
Kantara is not an official standards body but submits recommendations to standards bodies such as Organization for the Advancement of Structered information Standards (OASIS), Internet Engineering Task Force (IETF), International Organization for Standardization (ISO), ITU-T.

More information: https://kantarainitiative.org/