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Re: decentralised VC renderer question

From: Juan Caballero <caballerojuan@pm.me>
Date: Wed, 30 Jun 2021 12:38:21 +0000
To: Leonard Rosenthol <lrosenth@adobe.com>, Manu Sporny <msporny@digitalbazaar.com>, "public-credentials@w3.org" <public-credentials@w3.org>
Message-ID: <4dcf9a27-6499-a7be-9072-5f93a2e730df@pm.me>
For what it's worth, I've submitted grant proposals over here in Europaland trying to find govt sponsorship to develop an open-source library for embedding VCs into PDFs the proper way (based on a detailed presentation by Leonard to the VC-EDU) group with, as yet, no success. Third time's a charm?

On 6/30/2021 1:27 PM, Leonard Rosenthol wrote:

> Also worth noting that in the VC-EDU space, where the primary focus is on the human readable scenarios, they’ve explored embedding the VC into a PDF as well.
> Leonard
> From: Manu Sporny [<msporny@digitalbazaar.com>](mailto:msporny@digitalbazaar.com)
> Date: Tuesday, June 29, 2021 at 9:44 AM
> To: public-credentials@w3.org [<public-credentials@w3.org>](mailto:public-credentials@w3.org)
> Subject: Re: decentralised VC renderer question
> On 6/28/21 10:23 PM, steve capell wrote:
>> if it hasn't been a topic for the group then maybe it's something to add
>> somewhere on the long list of future to-do's?
> It's been discussed over the years, and yes, the solution is something along
> the lines of what you suggest. The following technologies have been explored,
> but with no firm resolution yet... we're all still very much experimenting
> with all of this now:
> * A static image embedded as a data: URL in the VC. This
> includes SVGs.
> * A content-protected link to an external image in the VC.
> This also includes SVGs.
> * HTML iframe to HTML-rendered credential that is
> specified in the VC.
> * Fully encapsulated HTML+CSS embedded in the VC.
> * Web Component[1] referred to in the VC.
> All of the solutions have non-trivial privacy, payload size, and security
> implications. It's certainly a solvable problem... but the ecosystem seems to
> be focused on getting the foundation right at present and not rushing ahead to
> address the rendering problem.
> If you take a look at wallet today, they seem to be plucking values like
> "image", "title", and "description" and doing generic rendering for the other
> fields in the VC. Note that this is possible because the semantic meaning of
> each claim is globally known.
> It's all a work in progress... yes, people are working on it... but not in any
> coordination CCG fashion, yet.
> -- manu
> [1] https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FWeb%2FWeb_Components&amp;data=04%7C01%7Clrosenth%40adobe.com%7Cf8333d366f4d48f45a0b08d93b03fe07%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637605710616971474%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=jdSGP%2B7MRYGDdczJksC8jfaJbCcdt4MPt%2FvfV7ye7Fg%3D&amp;reserved=0
> --
> Manu Sporny - https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.linkedin.com%2Fin%2Fmanusporny%2F&amp;data=04%7C01%7Clrosenth%40adobe.com%7Cf8333d366f4d48f45a0b08d93b03fe07%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637605710616981425%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=AmV4teKlxUumRcitn5XMqHCF53hUABGU9u4IYF12M2I%3D&amp;reserved=0
> Founder/CEO - Digital Bazaar, Inc.
> News: Digital Bazaar Announces New Case Studies (2021)
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Juan Caballero, PhD. [Freelance](https://learningproof.xyz) Identity Researcher & Community Manager Signal/whatsapp: +1 415-3101351 Berlin-based: +49 1573 5994525
Received on Wednesday, 30 June 2021 12:38:41 UTC

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