Introduction

The Technology Stack Working Group (TSWG) specifies requirements, specifications, and test suites for the technical architecture of the ToIP stack. For an overview of the ToIP stack, see the Introduction to ToIP white paper. For an overview of the ToIP stack development process, see the Evolution of the ToIP Stack.

Scope

Define The scope of the Technical Stack Working Group (as defined by our charter revised in September 2023) is to define (directly or by reference)thetechnicalstandards,testsuites,andinteroperabilitycertificationstandardsfor theTrustoverIP architecturestack consistent with asdescribedintheIntroductiontoToIPpaperandtheDesignPrinciples for the ToIP Stack paper.

Leadership

2023 Co-Chairs:

• Darrell O'Donnell (Continuum Loop)
• Drummond Reed (Gen)
• Kevin Griffin (GLEIF)

...

• Daniel Bachenheimer (Accenture)
• Tim Bouma 
• Steve McCown (Anonyome Labs)

Task Forces

Much of the work on deliverables of the TSWG is performed by self-organizing Task Forces (TFs). Following are the current active TFs and their current leads. See their home pages for their meeting schedules.

1. Trust Registry TF (TRTF) — Darrell O'Donnell Andor Kesselman Antti Kettunen 
2. Authentic Chained Data Containers (ACDC) TF — Samuel Smith Phil Feairheller Kevin Griffin

...

2. Technology Architecture TF (TATF) — Wenjing Chu Drummond Reed 
3. Trust Spanning Protocol TF (TSPTF) — Drummond Reed Wenjing Chu Samuel Smith

...

2. AI & Metaverse (AIM) Technology TF (AIMTF) — Wenjing Chu 
3. Credential Exchange Protocols TF — Mathieu Glaude 

...

1. DID WebS Method TF – Phil Feairheller, Lance Byrd
2. X.509 VID TF — Eric Scouten 
3. Trust DID Web ( did:tdw) TF — John Jordan, Stephen Curran

The following TF has been proposed and approved but is not yet active:

...

Meetings

The TSWG currently holds a plenary meeting once every four weeks on Wednesdays in two time slots (one for North America/Europe and one for Asia Pacific time zones):. For this meeting, the 2024 meeting dates are 23 Jan, 20 Feb, 19 Mar, 16 Apr, 14 May, 11 June, 9 July, 6 Aug, 3 Sept, 1 Oct, 29 Oct, and 26 Nov.

• NA/EU: 08:00-09:00 PT /

...

• 15:00-

...

• 16:00 UTC 

The TSWG also holds a consolidated meeting of all of our Task Forces for APAC-friendly time zones every Wednesday (PT)/Thursday (UTC):

• APAC: 18:00-19:00 PT /

...

• 01:00-

...

• 02:00 UTC

The TSWG shares this Wednesday pair of meeting slots in a four-week cycle with three other TSWG Task Force meetings. So the full four-week cycle (which started on 04 January 2023) is:

1. TSWG Plenary
2. Technology Architecture Task Force
3. Trust Spanning Protocol Task Force Meeting #1
4. Trust Spanning Protocol Task Force Meeting #2 

For all authoritative meeting logistics and Zoom links, please see the For the authoritative Zoom links for these meetings, please see the ToIP Calendar.

See the TSWG Meeting Page for an index of all Meeting Pages with agendas, notes and recordings from all meetings.

Deliverables

The table below lists all TSWG deliverables that have been approved to move beyond Pre-Draft statusTSWG deliverables and the Task Forces working on each. Bold = currentcompleted. Non-bold = future. WG members are welcome to follow the links to contribute, either by joining the responsible Task Force (TF) or contributing directly to a deliverable a deliverable document.

Other potential deliverables discussed by TSWG members:

• Laws of Identity (status: PROPOSED) - intended to explain how ToIP maps to Kim Cameron's work. (Google doc draft here.)

How to join

How to join

After you have joined Trust Over IP, you can join this WG by signing up for the Working Group's mailing list. Use this link to sign-up for the TWSG-2 mailing list to signify your acceptance of the WG charter and desire to participate in the TSWG-2. Scroll to the bottom of the page.  Log-in using your group.io username and password or LF ID. Then click on the blue button [+Join This Group]. mailing list at You can join this WG by signing up for the Foundation mailing list at lists.trustoverip.org. Our mailing list is technology-stack-wg-wg@lists2@lists.trustoverip.org.

Members as well as observers are welcome (with the important caveat below).

Participation

For the protection of all Members, participation in working groups, meetings and events is limited to members, including their employees, of the Trust over IP Foundation who have signed the membership documents and thus agreed to the intellectual property rules governing participation. If you or your employer are not a member of ToIP, you may not participate in meetings by verbal contribution or otherwise take any action beyond observing.  To join ToIP and be able to contribute, please fill out the light weight membership application on our website here. 

Intellectual Property Rights (Copyright, Patent, Source Code)

The WG inherits the IPR terms from the JDF Charter. Until 25 October 2023, these are:

...

After 25 October 2023, the IPR terms will change changed to:

• Copyright mode: OWFa 1.0 (available at https://www.openwebfoundation.org/the-agreements/the-owf-1-0-agreements-granted-claims/owfa-1-0)
• Patent mode: OWFa 1.0 (available at https://www.openwebfoundation.org/the-agreements/the-owf-1-0-agreements-granted-claims/owfa-1-0)
• Source code: Apache 2.0 (available at http://www.apache.org/licenses/LICENSE-2.0.html)

Resources

A list of various resources that are referred to from time to time during meetings and working sessions:

• Global Legal Entity Identifiers - joint presentation by GLEIF and Evernym
• DIF Interop WG Interlock - Arch Map
• KERI - podcast by (private member) Tim Bouma and Sam Smith