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Re: Proof of knowledge certs

From: Daniel Hardman <daniel.hardman@gmail.com>
Date: Sun, 22 Jan 2023 12:47:46 +0100
Message-ID: <CACU_ch=T3U7Z2RubjOR25UTDXTNnAKzzvbQDSqVxBNNbn72PRw@mail.gmail.com>
To: Christopher Allen <ChristopherA@lifewithalacrity.com>
Cc: Julien Fraichot <Julien.Fraichot@hyland.com>, "W3C Credentials CG (Public List)" <public-credentials@w3.org>
AnonCreds does something analogous, though not identical.

On Sat, Jan 21, 2023, 7:52 PM Christopher Allen <
ChristopherA@lifewithalacrity.com> wrote:

> On Fri, Jan 20, 2023 at 8:44 AM Julien Fraichot <
> Julien.Fraichot@hyland.com> wrote:
>
>> I have been investigating the possibility of having certificates which
>> obfuscate PII data. That is, instead of using selective disclosure schemes
>> to present a curated certificate, have the holder prove they know what the
>> data is within the certificate.
>>
>
> We support this in Gordian Envelopes using "Existence Proofs":
>
> CLI Docs:
> https://github.com/BlockchainCommons/envelope-cli-swift/blob/master/Docs/8-EXISTENCE-PROOFS.md
> Video: https://www.youtube.com/watch?v=LUQ-n9EZa0U
>
> You can see an example of leveraging Existence Proofs for herd privacy in
> our Educational Use Cases at:
>
>
> https://github.com/BlockchainCommons/Gordian/blob/master/Envelope/Use-Cases/Educational.md#6-paul-proves-proficiency-with-improved-privacy-herd-privacy-with-non-correlation
>
> -- Christopher Allen
>
>
Received on Sunday, 22 January 2023 11:48:10 UTC

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