Community Newsletter

CCI Summit Summary Report:
The Essence of A Four-Hour Discussion
Good things are always worth the wait! Here comes the Summary Report of CCI Summit: From Closed Loop Systems to Open World Credentials Exchange. Whether you attended the summit or not, you won't regret spending a relaxing 15 min reading the essence of a four-hour heated discussion.

The report summarizes the insightful presentations from eight implementers of COVID credentials in the U.S. (including the lead of New York State's Excelsior Pass implementation from IBM), each offering unique viewpoints while touching upon some common threads that were echoed by fellow presenters and the audience.

We were excited to have identified seven common themes (e.g. proxy issuers, private trust networks, universal verifiers) on which we believe the community should continue the discussions. Check out the report today and stay tuned for follow-up activities! 
Read Summary Report

CCI News and Updates

Sharing, Learning, and Collaborating at the Internet Identity Workshop (IIW)
The bi-annual three-day IIW has been a reason for many to put aside routine work and life activities for an entire week in the past 16 years. So did we last week. 

Given the ongoing COVID situation and worldwide attention on COVID credentials and health passes, we saw a proliferation of IIW sessions on health credentials and ethics for COVID health passes.

CCI hosted three sessions that provided an update of community activities and outcomes, shared the challenges we encountered, and presented the two open source proposals to Linux Foundation Public Health (LFPH) from our community participants. 

Kaliya Young (CCI Ecosystems Director) and John Walker (CCI Community Architect) led sessions focusing respectively on getting convergence on credentials exchange and mapping FHIR to JSON-LD with W3C Vaccination Vocabulary; both achieved great results. Lucy Yang, our Community Director, actively participated in a session discussing the ethics of COVID credentials/health passes. 
Check out CCI IIW Slides
CCI Membership 

We are working closely with the Linux Foundation legal team to set up CCI as a project at the Joint Development Foundation (JDF), a part of the Linux Foundation. We will soon have a free membership program in place, a formal member onboarding process, and a clear guideline on IPR policies, member logo representation, and the use of CCI branding. (We have temporarily taken the logo wall off the website while setting up the program.)

We will follow up with more information in the upcoming month. In the meantime, if you any questions, please feel free to reach out to Lucy Yang.
Interim Steering Committee

The Interim Steering Committee has been working behind the scenes to guide CCI decisions and help CCI staff operate the community. As we work on the JDF project formation, which requires initial members for a steering committee, we will work with the Interim Committee to discuss transitions and ensure transparent community processes for adding new members. 

Two current members, Line Kofoed and Sankarshan Mukhopadhyay, will step away from the Committee work. We thank them for the great service and look forward to continued work with them through other CCI activities.
Speaking Engagements and Media Exposure

Kaliya Young spoke about the challenges of using COVID credentials for travel use cases and the need for privacy protection at the CIO Strategy Council's monthly member meeting on April 28. Others on the panel included Catherine Luelo (Senior Vice President & CIO at Air Canada), Luc Gagnon (Senior Vice President at Public Health Agency of Canada), and Marten Kaevats (National Digital Advisor for the Government of Estonia).
Community Leadership at the GHPC

The ToIP Interoperability Working Group for Good Health Pass Collaborative (GHPC), co-chaired by Kaliya Young, is marching ahead with great progress on the first draft of the interoperability blueprint, which is nearing completion. The upcoming week will see inter-group revision and document integration. The draft will be opened for public review in two weeks and the group is looking forward to getting comments from the CCI community.

Community Groups Updates

Use Case Implementation Workstream

The Use Case Implementation Workstream on April 27 hosted a well-attended session (recording here) featuring two presentations: South Korea’s national vaccination verification system (COOV) by Blockchain Labs and "Mapping FHIR to JSON-LD with W3C Vaccination Vocabulary", a very important area of work that enables privacy-preserving health credentials, by John Walker and Mukund Parthasarathy.

South Korea is the first country that launched a nationwide W3C VC-based system for vaccination certificates, operated by the Korea Disease Control and Prevention Agency. It uses Blockchain Labs' InfraBlockchain and issues W3C VC in JSON-JWT format. The Blockchain Labs team is committed to global interoperability and evolvement to advanced format JSON-LD ZKP BBS+. 

The Workstream's Schema Task Force is going to be hosting an ad-hoc call on Monday (May 3) at 10 am PT/5 pm UTC. Paul Knowles will lead the group to go through the EU-defined minimum viable value sets for the following COVID-19 profile credentials: vaccination credential, test credential, and recovery credential.

Rules & Governance Workstream

The Rules and Governance Workstream took a break from working on the principles and policies which make up the CCI GF v3.0 in order to participate in the Internet Identity Workshop #32. Deep and engaging discussions around the topics of paper credentials, biometrics, and credentials as well as responsible usage of data and technology specific to credentials will be included in the evolving document. The participants in the workstream are also following the output at the Good Health Pass interoperability efforts at the Trust over IP Foundation (ToIP). The next steps include completing the drafting of the principles section and preparing a set of policy requirements that would enable adopters to have a robust set of risk mitigation plans.

Vaccine Credentials Focus Group - US Subgroup

The US Subgroup's most recent weekly call on April 29 (recording here) saw engaging conversations around appropriate community response to Vaccination Credential Initiative (VCI)'s use of the non-privacy-preserving credential format and other issues that may put individuals' personal data at risk. Multiple threads of ongoing discussions following the call are happening on Slack in the #cci-vaccinecredentialsfg-us and #cci-schema-tf channels. 

Community Participants Updates

  • ProofMarket and's open source proposals were approved by the LFPH Technical Advisory Committee and accepted as two projects. You can read the proposals here: ProofMarket's MedCreds proposal and's Cardea proposal.
  • Affinidi is hosting the Affinidi 'PoC'athon 2021 on May 9, 2021 where they are looking for contestants to submit a proof of concept (PoC) application demonstrating a verifiable credential based use case that uses Affinidi's APIs and/or SDK. Join the hackathon here.
  • Trinsic introduced a new enterprise-grade product called Trinsic Ecosystems. Trinsic Ecosystems is the ultimate SSI product with interoperable technology, ecosystem governance, and adoption tools. To learn more about Trinsic Ecosystems, register for Trinsic's upcoming webinar.
  • Evernym recently hosted a webinar titled "SSI for Healthcare: Lessons from the NHS" where Dr. Manreet Nijjar shared an insider’s perspective on how providers can benefit from more trusted, user-centric data and what it takes to design for the complex privacy, regulatory, and ethical needs facing healthcare.
  • Applied Recognition has announced a partnership with the Sovrin Foundation to introduce a global standard digital wallet that leverages face recognition to enable enhanced wallet security along with the first-ever availability of free biometric binding for any digital credential.
If you would like to submit an update about your organization to be featured in the CCI Community Newsletter, please fill out this form.

Upcoming Events

ID4Africa LiveCast: Vaccination Certificates & Identity Management

Date: May 6, 2021
In view of the critical and global importance of vaccination certificates and their intimate connection with identity management, ID4Africa is dedicating a 3-part series of LiveCasts to delve into the surrounding issues. With Part 1 & 2 episodes having already occurred, Part 3 episode will reveal 10 more national and private sector initiatives that were selected through a competitive merit-based process from over 75 submissions received during a Call for Participation.


Date: May 17-19, 2021
HL7 Fast Healthcare Interoperability Resources (FHIR) Connectathons feature hands-on FHIR development and testing. Implementers and developers come together to hold technical discussions that advance the FHIR specification, develop FHIR-based solutions, and exchange data with other FHIR interfaces. Multiple tracks are related to COVID-FHIR issues including one on SMART Health Cards

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CCI is hosted by Linux Foundation Public Health, a Linux Foundation initiative to build, secure, and sustain open-source software to help public health authorities combat COVID-19 and future epidemics.

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