2025-10-27 AnonCreds Working Group Meeting
Summary
Open Discussion
Time: 15:00 Pacific / 23:59 Central Europe
Call Link: https://zoom.us/j/92023385582?pwd=bb7CFdbibQKGTkqKnXzEi3xhbbi1du.1
Recording: https://zoom.us/rec/share/4Wm3g8IMDyyYcR4uYXbbC9EEPegxvoWgCM4vUeo81lVO7YAdzz_UbyFoHHbzFoYj.DUBSMDbDoYuGo3dO.
Notices:
This specification creating group operates under the Linux Foundation Community Specification License v1.0.
LF Decentralized Trust is committed to creating a safe and welcoming community for all. For more information please visit the LFDT Code of Conduct. |
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Related Specifications and Repositories:
AnonCreds v1.0:
The v1.0 specification is published here: https://hyperledger.github.io/anoncreds-spec/
The Working Group uses this GitHub repository to manage the specification: https://github.com/hyperledger/anoncreds-spec
The AnonCreds Methods Registry: https://hyperledger.github.io/anoncreds-methods-registry
The v1.0 implementation in Rust is here: https://github.com/hyperledger/anoncreds-rs
The v1.0 implementation is dependent on this Rust CL Signatures implementation: https://github.com/hyperledger/anoncreds-clsignatures-rs
AnonCreds v2.0
The initial framework for the v2.0 specification repository is here: https://github.com/hyperledger/anoncreds-spec-v2
The v2.0 implementation in Rust is here: https://github.com/hyperledger/anoncreds-v2-rs
Underlying AnonCreds v2.0 are cryptographic libraries in Hyperledger Labs Agora
Meeting Preliminaries:
Welcome and Introductions
Announcements:
AnonCreds Quarterly Report for Q4 is out – Issue
Any updates to the Agenda?
Agenda
IIW highlights – Mark Moir (Oracle)
Oracle Blockchain Platform Team – new home for Mark and Harold – Adrian is there as well.
Did a presentation - background on the team’s efforts with DIDs, permissioned VDR and AnonCreds. Demo of issue, presentation and verification. Another on revocation. Update on the ZKP abstraction layer that has been discussed previously – completed the todos from the last IIW. Now includes support for AnonCreds v1.0 – same abstraction layer, new underlying implementation – with a demo same flows but using the abstraction layer showing AnonCreds v2.0. Limitations of the abstraction layer over AnonCreds v1.0 – still need to get a demo that includes Mobile on Android and iOS – working, just needs cleanup. Revocation has been done differently – no tails file, does an update to the witness based on revocations – similar to revocation in AnonCreds v2.0.
Christian Bormann did a session last time on the state of the world ZKPs. Did another session this time – with an update from the last session – slides here. Reported on work with Anya Lehmann – link to website with links to papers, one of which proposes a modular approach to ZKPs with quantum safe mechanisms. Device binding with ECDSA proven in an unlinkable way, but different from Longfellow-ZK.
Buzz around SEDI from the State of Utah. Lots of interest and discussion. Demo by the Veridian folks with SEDI and guardianship – showing how a parent can get help with child internet access. Demo with Roblox how a parent can provide oversight for their kids – limited number of hours, times when they can use the platform.
My Terms – Doc and Joyce Searle’s effort – now a published standard IEEE P7012. At the point where they have a standard, and now want to get the implementations going. Reverses the normal “Accept ToU or leave”, to the user saying “Here are my policies” and the organization has to deal with that. This article talks about My Terms as a machine-readable, two-way contract that can be a replacement for the “Do Not Track” standard that failed in practice and is now deprecated.
First Person Project – lots of sessions. Enabling us to attest to relationships that we can subsequently share with others. Outside of a platform, growing from the ground up.
Open Discussion