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Re: Credential Chaining

From: Kerri Lemoie <kerri@openworksgrp.com>
Date: Wed, 29 Jun 2022 12:59:46 -0400
Message-Id: <A44116BE-57EC-4FE0-A499-46AC2BE21425@openworksgrp.com>
Cc: W3C Credentials CG <public-credentials@w3.org>
To: Manu Sporny <msporny@digitalbazaar.com>
Hi All,

I think this issue may be what Manu is referring to that has caught the interest of the VC-EDU folks:

https://github.com/w3c/vc-data-model/issues/831 <https://github.com/w3c/vc-data-model/issues/831>

K.

> On Jun 29, 2022, at 12:43 PM, Manu Sporny <msporny@digitalbazaar.com> wrote:
> 
> On 6/29/22 12:33 PM, Brent Shambaugh wrote:
>> Is there such a thing as credentials that can only be issued if the holder
>> already has a particular credential?
> 
> Is there such a thing as that concept? Yes.
> 
> Has someone implemented this? Depends on how you define "chaining".
> 
> If you mean you use one credential to get another credential:
> 
> Digital Bazaar has (in a proof of concept capacity) demonstrated the
> consumption of a digital identification credential issued by a government to
> receive a TruAge age verification credential.
> 
> If you mean, you embed one credential inside another credential:
> 
> I believe some of the VC EDU folks are exploring that use case... and yes, if
> you use VCs that are protected by Data Integrity (was Linked Data Signatures),
> then you can do arbitrary nesting of digitally signed VCs.
> 
> -- manu
> 
> -- 
> Manu Sporny - https://www.linkedin.com/in/manusporny/
> Founder/CEO - Digital Bazaar, Inc.
> News: Digital Bazaar Announces New Case Studies (2021)
> https://www.digitalbazaar.com/
> 
> 


Received on Wednesday, 29 June 2022 17:00:01 UTC

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