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Re: VCs - zCaps / OCap a Discussion

From: Alan Karp <alanhkarp@gmail.com>
Date: Mon, 7 Dec 2020 14:46:35 -0800
Message-ID: <CANpA1Z2SmqZ2huVMTsr3bXrj0ZbC6Kmu7Uyi-HvqDE_aBeeuLQ@mail.gmail.com>
To: David Chadwick <D.W.Chadwick@kent.ac.uk>
Cc: "W3C Credentials CG (Public List)" <public-credentials@w3.org>
Well, at least I said it was a crazy idea.

Alan Karp

On Mon, Dec 7, 2020 at 2:42 PM David Chadwick <D.W.Chadwick@kent.ac.uk>

> Cut out lots of text to make answers easier
> On 07/12/2020 22:22, Alan Karp wrote:
> > Here's a crazy idea that only covers part of the VC space.  Let's say
> > I own a DID, and I attach a claim from you to it.
> You cant do that. The issuer issues claims to you. You can ask the
> issuer to attach the claim to your DID, if you can PoP the DID. The DID
> is the subjectID i.e. the identifier/key to which the claims are attached.
> > Is it possible to allow you to attach a claim to that claim, perhaps
> > revoking it?
> Once I have given the claim to you (your DID), you possess it. I can
> revoke it, but I cannot alter it unless you give it back to me. (And
> even then you could still keep a copy of the original token). So what
> you are suggesting is rather bizarre and I dont think is practical.
> > I know that updating someone else's DID is a no no, but here you're
> > only updating something you provided in the first place.
> This scenario is not updating the DID. Its attaching claims to the DID.
> That is a different thing
> Kind regards
> David
Received on Monday, 7 December 2020 22:46:59 UTC

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