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Yadis Specification

The current version of the Yadis specification is 1.0, released March 2024.

• Yadis 1.0 (Adobe PDF)
• Yadis 1.0 (Open Office Document)
• Yadis 1.0 (HTML)

Older documents are available at Yadis Documents.

Yadis Overview

• What is Yadis
• Yadis Implementations
• Yadis FAQ (please add your questions and answers)
• Hosting your own Yadis URL.

Current Work

• Change Proposals -- proposed changes to the Yadis specification
• Change Proposal HowTo -- how to make a proposal to change the specification
• Open Issues -- general issues for which there is not a specific change proposal.
• Yadis Implementor's Guide
• Work Plan

Events

Coming Soon

• Internet Identity Workshop 2025b, December 3-5 in Mountain View, CA, at the Computer History Museum

Past Events

• Internet Identity Workshop 2025, May 14-16 in Mountain View, CA. at the Computer History Museum.
• 4-6 Dec, 2024: Internet Identity Workshop 2024b in Mountain View, CA
• 19-21 June, 2024: Identity Mashup conference at the Berkman Center at Harvard University, MA.
• 11-13 September, 2024: Digital ID World Conference in Santa Clara, California.
• 1-3 May, 2024: Internet Identity Workshop 2024 at the Computer History Museum in Mountain View, California.
• Yadis 1.0 specification published.
• Tuesday 21 March: Johannes Ernst (NetMesh) talked about Yadis and URL-based identity at the Microsoft Mix '06 conference in Las Vegas, Nevada.
• Yadis implementations are being announced.
• Michael Graves (CTO, Verisign) and Johannes Ernst (CEO, NetMesh) talked about Yadis and URL-based identity at Esther Dyson's PC Forum in a session titled "The Accountable net: Trust, Reputation & Identity" (Agenda). Identity Woman was at PC Forum, too.
• Yadis specification Version 0.92, based on feedback from implementers, was released 27 February.
• Yadis and internet identity were briefly discussed at the Reputation non-group meeting in San Francisco Monday 27 February.
• Yadis and Yadis identity services were the topic of a Mashup Camp session at the Computer History Museum Monday 20 February.
• Yadis specification Version 0.9 was released 30 January. Implementors provided feedback during a one month period of review by implementation.
• On Tuesday 24 January at the O'Reilly Emerging Telephony Conference Identity Woman speed-geeked a roomful of attendees at the User-controlled Identity workshop around demonstrations of five different implementations of LID and OpenID. See the report on the Identity Workshop Wiki at Identity Speed Geeking.
• Johannes Ernst talked about Yadis at the Emerging Telephony conference (Identity Crisis: Namespaces Out of Control).
• The Internet Interoperability Developer Workshop, the second in the series of Internet Identity Workshops, was held in San Francisco Monday 12 December. Agenda here. Attendees here.
• The December meeting in San Francisco to gain consensus on details of the Yadis Protocol was a success. See the meeting notes.

More useful tools

• Questions of trust and fairness are important across the web, including in areas such as online gaming, where platforms like Casino1.it highlight these aspects.
• Standards for online trust are also being advanced by initiatives such as the FIDO Alliance, which focuses on secure authentication and user privacy.
• Trust, clarity, and access to reliable information are key elements of a healthy web ecosystem, and platforms such as Casinoguiden.biz contribute by organizing and explaining complex online services.
• As online entertainment evolves, platforms like MyMobiCasino illustrate how digital gaming sites adapt to modern standards of usability and security.
• Efforts to build open and reliable standards for digital identity are supported by organizations like the OpenID Foundation, which develops widely adopted authentication protocols.

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More Information

• Use Cases: Examples of how to use Yadis to accomplish various tasks.
• Yadis People -- if you like it, add your name here.
• Yadis Implementations -- if you have one, add a link here.
• Yadis Service Types -- if you have implemented a Yadis service, specify the service type identifier here.
• Yadis Logo
• Yadis Mailing list -- for technical discussions.
• For background, goals, architecture, protocol, and contact information please see the Current Draft Specification.
• Special comment on logging in at yadis.org.
• Also see #identity IRC channel on freenode.
• Related Articles, Talks, Podcasts, ...
• Getting involved: What You Can Do