- From: steve capell <steve.capell@gmail.com>
- Date: Fri, 9 Apr 2021 08:27:47 +1000
- To: Orie Steele <orie@transmute.industries>
- Cc: Manu Sporny <msporny@digitalbazaar.com>, W3C Credentials CG <public-credentials@w3.org>
- Message-ID: <CAEMprt+znJkVTdGx-i6L5V76QoDAjG7Wd5da0YbDjM00kZu-TQ@mail.gmail.com>
Hi Orie, Any docs on exactly how that QR is encoded? VC -> some representation (JSON/CBOR?) -> some encoding (base64?) -> some QR encoding ? I can see the whole thing works nicely with transmute tooling but I cant make much sense of the QR (attached here) outside of transmute tooling. On Fri, 9 Apr 2021 at 04:17, Orie Steele <orie@transmute.industries> wrote: > Thanks for sharing this work Manu! > > Transmute is hugely supportive of it, and happy to help move the work > forward. > > In particular, we're very interested in interoperability testing of paper > format credentials to address concerns regarding digital exclusion that > will inevitably arise from any use of "HTTP" and or "DIDs". > > We've already been doing some work on this front with Digital Bazaar and > Mattr regarding QR Code representations of Verifiable Credentials: > > - > https://w3c-ccg.github.io/vaccination-vocab/#example-5-cbor-diagnostic-output-for-the-above-w3c-verifiable-credential-expressed-in-cbor-ld > - > https://w3c-ccg.github.io/universal-wallet-interop-spec/#example-8-a-verifiable-credential-that-supports-selective-disclosure > > > We're particularly excited about the intersection of offline / paper > credentials and selective disclosure proofing systems, like BBS+. Here is a > small offline capable progressive web application demo we built: > https://paper.transmute.vc > > We also have a demo video showing a smaller slice of these same > interoperability tests: https://www.youtube.com/watch?v=PodtjhO3vJo&t=2s > > We're pursuing commercial interest in this space, but we remain equally > committed to supporting in the interest of public good regardless of a > specific customer. > > Regards, > > OS > > On Thu, Apr 8, 2021 at 12:31 PM Manu Sporny <msporny@digitalbazaar.com> > wrote: > >> Hi all, >> >> As some of you know, a few of the members in the W3C Credentials Community >> Group have been working on a Vaccination Certificate Vocabulary[1]. The >> World >> Health Organization has recently published a Release Candidate data model >> dictionary for Smart Vaccination Cards[2]. The CCG has also been working >> on a >> Verifiable Credentials HTTP API[3]. >> >> The WHO guidance covers 28 types of vaccines that we (as a global society) >> depend on, including Measles, Smallpox, Polio, Yellow Fever, COVID-19, and >> others. We (Digital Bazaar) thought it might be interesting to see if we >> could >> create an interoperability test suite for the WHO Smart Vaccination Card >> work >> using the tools listed above. >> >> Please note: >> >> * This is all experimental; it's not meant to step on any >> toes (the 40+ other vaccination certificate projects). >> >> * We have privacy concerns wrt. the WHO guidance and one >> way to address those is to put better options into the >> ecosystem. >> >> * There is no guarantee that WHO will follow any >> particular path at this moment. >> >> * Digital Bazaar is not operating on behalf of any of our >> customers, this is a self-funded internal "try to make >> the world a better place" project. It is apolitical. >> All mistakes and missteps are ours, not anyone else that >> could be construed as being a part of the work. >> >> With that said, we've been able to achieve the following: >> >> * A test suite containing 1,624 tests covering the >> 28 vaccine types in the WHO vocabulary. >> >> * 7 independent vendor implementations issuing and >> verifying each others WHO Smart Vaccination Cards. >> >> * 1,623 passing tests demonstrating true >> interoperability! >> >> You can view the latest Vaccination Certificate test suite report here: >> >> https://w3id.org/vaccination/interop-reports >> >> -- manu >> >> [1]https://w3c-ccg.github.io/vaccination-vocab/ >> [2] >> https://www.who.int/publications/m/item/interim-guidance-for-developing-a-smart-vaccination-certificate >> [3]https://github.com/w3c-ccg/vc-http-api >> >> -- >> Manu Sporny - https://www.linkedin.com/in/manusporny/ >> Founder/CEO - Digital Bazaar, Inc. >> blog: Veres One Decentralized Identifier Blockchain Launches >> https://tinyurl.com/veres-one-launches >> >> >> > > -- > *ORIE STEELE* > Chief Technical Officer > www.transmute.industries > > <https://www.transmute.industries> > -- Steve Capell
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- image/png attachment: transmute-covid-QR.png
Received on Thursday, 8 April 2021 22:28:12 UTC