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This is the homepage for all activities of the COVID-19 Credential Initiative Use Cases
Workstream. Use it for all meeting agendas, notes, and action items. Link all other important
documents off of this home page.
Mission & Scope
Mission: Provide Covid-19 Credentials use cases, that are validated by domain experts, and
that can be built upon by the other CCI tools workstreams
Scope: Identifying, prioritizing, and assessing the key Covid-19 Credentials use cases and
requirements (BLT: business, legal, technical) - we’ve made a start here.
How to get involved
● To join the mailing list, send an email (no subject line or body text needed) to
usecasesCCI+subscribe@groups.io
● Once you’ve joined, you can reach all group members by emailing usecasesCCI@groups.io
● A record of group communication can be found at https://groups.io/g/usecasesCCI ->
https://groups.io/g/usecasesCCI/topics
Meeting Schedule and Logistics
The workstream group meets every Tuesday, 17:00-18:00 CEST/CET.
The password-protected Zoom link of the meeting will be emailed via usecasesCCI@groups.io
shortly before the meeting to void zoom bombing. So please make sure that you have signed up!

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Team Members
Co-Leads:
● Oskar van Deventer: oskar.vandeventer@tno.nl
● Gurvinder Ahluwalia (Guri): guri@digitaltwinlabs.com
On 21 April 2020, the following 113 organisations had signed up to the usecasesCCI email list
(plus several anonymous, using a generic email address):
1kosmos.com; 460degrees.com; aceblock.com; alastria.io; anonyome.com;
appliedrecognition.com; arcblock.io; ascension.org; ayanworks.com; blockchain4sg.co.uk;
blockpass.org; bloksec.com; bloom.co; bloqzone.com; btol.io; budgetphone.nl;
canimmunize.ca; cboxx.com; cityatoms.com; codereadr.com; consensys.net;
consensyshealth.com; consulcesi.com; convergence.tech; credentia.me; CRIPTIQ.com;
danubetech.com; dhiway.com; didx.co.za; digitaltrust.vc; digitaltwinlabs.com; dlt.education;
enigma.co; eosdac.io; esatus.com; evernym.com; ey.com; fastmail.fm; finema.co; finicity.com;
flexfintx.com; gataca.io; gigco.uk; global.id; googlemail.com; gravity.earth; hireright.com;
humancolossus.org; hyland.com; iairgroup.com; icando52.com; id2020.org;
identity.foundation; identity.org; identitywoman.net; idramp.com; idworks.io; ilimit.net;
infocert.it; infopulse.com; irespond.org; jlinclabs.com; jobsglobal.com; kadima.digital;
knowmenow.com; labsma.com; learningeconomy.io; live.co.uk; luxoft.com;
main-incubator.com; manchester.ac.uk; mattr.global; metame.com; microsoft.com;
mintminds.ch; mykey.org; napier.ac.uk; nd.edu; nec.com; netis.si; northernblock.ca; ntnu.no;
ovrhd.nl; pillarproject.io; pklc.com; posteitaliane.it; proofmarket.io; quantick.net; rbs.co.uk;
riedel-it.de; rtledgers.com; rumsan.com; scours.io; secours.io; sectigo.com;
semanticclarity.com; sita.aero; snapworks.nl; staffs.ac.uk; streetcred.id; sympact.io;
tangem.com; teknei.com; thedinglegroup.com; tietoevry.com; tno.nl; trustworks.io; uhodl.me;
uverify.io; validatedid.com; vibranium.id; wipro.com; z1bc.io; zoof-it.com; MyEarth.id
Name Role+ planned
contribution
1 Oskar van Deventer (TNO) Lead
2 Gurvinder Ahluwalia (Guri) - Digital Twin Labs Lead
3 Andre Kudra (esatus AG) Member
3 Matt McKinney Member

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4 Dre Bonifacio Member
5 Iain Henderson Member
6 Michael Corning Member
7 Ser-Huang Poon (U of Manchester) Member
8 Keerthi Thomas Member
9 Jamie Stirling Member
10 Xiang Yao (MYKEY) Member
11 Scott Reid Member
12 John Walker Member
13 Scott Warner Member
14 Joseba Lekube (TEKNEI Spain & Mexico) Member
15 Markus Mummert Member
16 Adam Lemmon (Convergence.tech) Member
17 Mark Packham (Staffordshire University) Member
18 Alesh Brown (TrustWorks.io) Member
18 Robert Schwentker Member
19 Haydar Majeed (CRIPTIQ) Lead
20 Antti Kettunen (TietoEVRY & Findy) Member
21 Markus Sabadello (Danube Tech) Member
22 Andrew Black Member
23 Ajay Jadhav (AyanWorks) Member
24 Kalyan Kulkarni (AyanWorks) Member
25 Jamie Smith Member
26 Ron Kreutzer (Pillar) Member
27 Haardik Haardik (FlexFinTx) Member
28 Victor Mapunga (FlexFinTx) Member

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29 Tony Rose Member
30 Eric Vinton (IdRamp) Member
31 Kaye Maree Dunn Ahau NZ Ltd Member
32 Hans Lombardo (Blockpass) Member
33 Erich Fortuni Member
34 Phil Wolff Member
35 Dustin van Schouwen (Bloom Protocol) Member
36 Jo Spencer (460degrees) Member
37 Alex Blom Member
38 Sara Facchinetti (InfoCert) Member
39 Nigel Quantick Member
40 Michael Shea Member
41 Alan Sherriff Member
42 Todd Gehrke (Luxoft) Member
43 Kumaravel N Member
44 Pritam Singh Member
45 P A Subrahmanyam (“Subra”) CyberKnowledge Member
46 Simone Ravaioli Member
47 Charlie Zhang (FinFabrik) Member
48 Sooyoung Hyun(Jeju Blockchain Meetup) Member
49 Jarek Nabrzyski Member
50 Ruchin Singh (eSatya) Member
51 Ali Loveys Member
52 Sipun Pradhan(NTU Taiwan) Tech Lead/Member
53 Jet Lim Member
54 Janine Radek Member

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55 Kevin O’Sullivan (SITA) Member
56 Irene Hernandez (GATACA) Member
57 Robert Silver Member
58 Dennis Landi Member
59 Browning Rockwell Member
60 Ane Miren Bidaurratzaga (Teknei Spain and México) Member
61 Tony Eyles Member
62 Alice Ng Member
63 Celia Yeung (ID Lynx) Member
64 Kelly Cooper Member
65 Alec Liu, global.id Member
66 Avneet Singh, global.id Member
67 Ted Achtem Member
68 Samsurin Welch, uVerify Member
69 Celia Yeung, ID Lynx Member
70 Sebastjan Pirih, AceBlock Member
71 Will Abramson Member
72 Sze Wong Member
73 Eddie Kago, Vibranium ID Member
74 Oleksandr Brezhniev, Infopulse Member
75 Mark Lizar, Smart Species Member
76 Godwin Schembri, KnowMeNow Member
77 Anton Hasselgren Member
78 Pakorn Leesakul (AJ), Finema (Bangkok) Member
79 Xavier Vila, Validated ID Member
80 Lokeshwaran A Member

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81 Rich Eicher Sr, codeREADr Member
82 Mary Strain
83 Albert Cabrerizo, Ilimit Member
84 Jesus Ruiz (Alastria) Member
85 Bernat Marcilla, Ilimit Member
86 Vinod Panicker (Wipro, KochiOrgBook) Member
87 Emiliano Vernini (Poste Italiane, Italy) Member
89 Adam Rouncivell (International Airlines Group) Member
90 Stefan Verhagen, CarebyCircle.com Member
91 Griff Green
92 Paolo D’Urgolo (Poste Italiane, Italy) Member
93 Lucas Carmona Member
94 Haydar Majeed Member
95 Robert Butterfield (DigitalBazaar) Member
96 Lohan Spies (DIDx) Member
97 Rosario De Chiara (Poste Italiane, Italy) Member
98 Ravikant Agrawal (Infosys Consulting) Member
99 Steven Myhill-Jones Observer
100 Tushar Phondge Member
101 Bruno Martins Member
102 Maria Teresa Zucchelli (Consulcesi, Switzerland) Member
103 James Waugh, Enigma Member
104 Victoria Lemieux, Blockchain@UBC Member
105 Shiv Aggarwal, MyEarth.Id Member
106 Qiang Tang, LIST Member
107 Mike J Schmidt Observer

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108 Jaehoon Shim (LG CNS) Member
109 Silvia Marciani
110 Alex Puig Member
Deliverables & Timeline
Main Deliverables
● Use case summary: A summary index and numbering.
● Use case narrative: Use case documents that each describes a specific Covid-19
Credentials use case from a user perspective, that provides associated BLT
requirements, and that has been validated by at least one named domain expert
● Use case diagrams: Schematic representation of flows, sequence, interaction
Documentation practices
One document per use case
●
● … more?
Supporting deliverables
● Template for use-case descriptions
● Use case diagram(s) and flow
● Glossary of terms or jargon list (so much confusion to avoid)
● … more?
<insert—be very specific about what this task force will deliver>
Timeline
21 April 2020 Highest priority CCI use case has been identified, worked out into a use-case
document, and validated by at least one named domain expert

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XX April 2020 Xxx
<insert major milestones and deadlines as soon as you can agree on them—you can always
update them, but having a shared public picture helps drive progress>
Subgroups
Go-To-Market (GTM) -> Timothy Ruff
The CCI Use Cases GTM Subgroup is dedicated to optimizing the GTM (Go-To-Market) path for
all CCI use cases. By deeply exploring the relationships and roles of likely issuers, holders, and
verifiers of CCI credentials, GTM will develop a pattern that all eventual CCI offerings can follow
to help determine: a) IF an offering has a viable path to adoption in the target market, and b) the
OPTIMAL path for that adoption.
Group Page:
● https://docs.google.com/document/d/1f4l_eXTukhlHTfHshOk_1QsudmOVRY7ahMDs7k
71TF8/edit?usp=sharing
Mailing list:
● To join the mailing list, send an email (no subject line or body text needed) to
CCI-UseCases-GTM+subscribe@groups.io
Documents:
● Turning Use Cases into Business Models
Medic -> Ser-Huang Poon
Group Page:
● To do
Mailing list:
● medic@usecasesCCI.groups.io
● Join: send an email (no subject line or text) to medic+subscribe@usecasesCCI.groups.io
● Leave: ditto to medic+unsubscribe@usecasesCCI.groups.io
● Group info: https://usecasescci.groups.io/g/medic
Documents:
● To do

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Meeting Agendas/Notes
Meetings are listed in reverse chronological order (newest on top).
A name in CAPITAL LETTERS means an accepted action point.
Day 28 April 2020
Day 21 April 2020
Day 14 April 2020
Day 7 April 2020
Day 28 April 2020, 17:00-18:00 CEST [Back to Meeting Agendas/Notes]
The password-protected Zoom link of the meeting will be emailed via usecasesCCI@groups.io
shortly before the meeting to void Zoom bombing. So please make sure that you have signed up via
usecasesCCI+subscribe@groups.io.
1. Agenda (1 min)
a. xx participants
2. Todo (9 min)
a. Assign Champions for all UC’s - Use Cases for COVID-19 Credentials
b. Identify and involve “sister projects” of CCI
LUCY YANG: …
3. Doing (40 min)
a. UC00 - Creating and Maintaining Local Webs-of-Trust
i. OSKAR VAN DEVENTER: CCI-UC00: Creating and Maintaining Local
Webs-of-Trust -
Feedback from Tools group (Michael Corning, Kaliya Young or Paul
Knowles):
b. UC2+UC3 - Proof of Immunity by Exposure + Vaccine
i. ANTTI KETTUNEN: Credential mapping to segmentation -
c. UC11 - Verify the Verifier
i. ALEX BLOM: CCI-UC11: Verify the Verifier -
d. UC 13: State Health Data Trust
i. GREG NADEAU: State Health Data Trust -
e. Delegated Issuer / Verifier: MICHAEL CORNING → is this a use case, or
should it be?
f. Subgroup updates
i. Medic - SER-HUANG POON: …
Prepare contact list of medic experts pool → send to Lucy Yang /
Coordination WS#4
ii. SSI - who proposed this, who is leading this?

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iii. Go-To-Market (GTM), TIMOTHY RUFF: ...
4. Done (5 min)
a. UC12 - Data Protection, Privacy, Ethics, and Inclusion
i. CCI- UC12: Data Protection, Privacy, Ethics and Inclusion → Removed
(Policy & regulation will be dealt attached to an adopter)
5. AOB - Any other business (5 min)
a. …
6. Agenda (1 min)
b. 60 participants
c. How can you best contribute?
i. Not: dump loads of information onto others
ii. Not: litter draft documents with endless strings of comments
iii. Do: make actual focussed contributions
iv. Do: provide concrete text proposals to improve documents
7. Todo (9 min)
i. JESUS RUIZ: I want to contribute use case on self-declarations, already
implementing something similar to UC10. Alastria project likes to be a
“sister project” (Oskar, like uNLock). Meeting on Thursday. Relation with
EBSI-ESSIF.
b. Identify “sister projects” of CCI
i. Spain: https://alastria.github.io/anti-pandemia/, linked with EBSI ESSIF
ii. Netherlands: uNLock,
https://www.tno.nl/en/about-tno/news/2020/4/consortium-builds-corona-te
st-app-using-privacy-by-design-principles/
iii. Germany:
https://ubirch.de/fileadmin/user_upload/2020-04-16_digital_corona_health
_certificate.pdf
8. Doing (40 min)
a. New “Medic” subgroup
i. Ser-Huang Poon: Started morning 21 April. Looking for medical experts
for CCI. Contacts with UK NHS, Hong Kong, and several other MD
friends. Organise Q&A sessions? Need one-page letter to get test centers
involved. Get test centers as CCI verifier?
ii. Goal: improve the quality of our use cases.
iii. Join the mailing list by sending an email (no subject line or body text
needed) to medic+subscribe@usecasesCCI.groups.io
b. ALL USE CASES

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i. MICHAEL SHEA: Contact with Yale School of Public Health, and EY
Canada → no news
ii. MARKUS MUMMERT: Contacts in Germany in healthcare, will meet later
today. Germany may not pursue CCI. 1) Strong competitor launched
similar solution in Germany, consortium of Koln, Lufthansa + medical
start-ups, looks similar, has enhancements like diagnosis tracking. Oskar:
“sister project”. Markus: Want to stay involved with CCI. André Kudra:
already reaching out. Ser-Huang: Have medical experts join anyway.
Their competence is international.
iii. NICKY HICKMAN: Contributions on inclusion → no news
iv. ANTTI KETTUNEN: Contact Iain Henderson → Iain has promised to
participate if he has time → done. Iain: getting MyData involved and
aligned. Oskar will liaise with Iain. Antti: will talk about CCI to MyData
community.
v. MICHAEL CORNING: Will provide a use-case document on delegated
issuer/verifier. Will also make it linkable to the Tools group. Is already
testing this to get businesses opened in a smaller town.
c. UC00 - Creating and Maintaining Local Webs-of-Trust
i. OSKAR VAN DEVENTER: CCI-UC00: Creating and Maintaining Local
Webs-of-Trust
d. UC2+UC3 - Proof of Immunity by Exposure + Vaccine
i. ANDRE KUDRA: UC2 - update? link?
ii. DAKOTA GRUENER: UC3 -update? Link?
iii. ANTTI KETTUNEN: Integration of use cases for back-to-work, immunity,
etc. (strategic segmentation): Credential mapping to segmentation
Antti presents slides. Highly detailed credentials, but needs to be
transferred from detail attributes into usable proofs that verifiers need to
make their decisions. Many types of information are combined. Different
verifiers have different needs for their verification. Healthcare != business
!= police. So working with segmentation for multiple types of proofs.
Same framework for different verification cases. Need to check what
actual proofs that are needed, and how they get them.
Iain: MyData data commons from many sources, devices, sensors, labs.
Highly governed data set, used for aggregation by health authority.
Data-interchange model.Towards more common format to turn into proofs
and credentials.
Ser-Huang: Different test centers use different test schemas
e. UC11 - Verify the Verifier
i. OSKAR VAN DEVENTER: CCI-UC11: Verify the Verifier - presention.
Dennis: will read and comment. Kalyan: Ditto
f. UC12 - Data Protection, Privacy, Ethics, Guardianship and Inclusion
i. ROBIN RENWICK, Adam Panagiotopoulos, Nicky Hickman: CCI- UC12:
Data Protection, Privacy, Ethics and Inclusion - not presented

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Dennis: Will look into this
Kaliya: One flavour of SSI? CCI is super centered on Aries/Indy, people
coming from there. Is great, but need to be aware that there is more,
niches that think differently.
Dennis: What is ready now?
Kaliya: DIF, we have VC as format, but how do we get them to move?
CHAPI is already working. Simpler perhaps than DIDcom. Role of QR
codes.
André: DIDcom is already in production.
9. Done (5 min)
a. Use case template. Thanks: Kelly Cooper, Michael Corning, Mark Packham,
Ser-Huang Poon. Output is here: Use Case Standardization
b. Framework and assignment for GTM (Go-To-Market) subgroup. Thanks Timothy
Ruff and 15 others!!. Output is here: “Five Steps to Determine
Problem-Solution-Fit for COVID-19 Use Cases.”
c. Discovery of existing work (ongoing) - NHS. Thanks Ser-Huang Poon
a. Links with other workstreams, observations from all-hands call on Friday 17 April
Chat
From Michael Corning to Me: (Privately) 05:30 PM
I'm at the doctor's office for lab work. I may not be able to say anything in the meeting, at least
for a few more minutes.
From Me to Everyone: 05:42 PM
https://docs.google.com/presentation/d/1qmEMEg0i-Iw16xHoNI8xXEi7kJ3Jg_90eGtoWMMPk
sM/edit#slide=id.g7fd317ebcd_8_5
From Antti Kettunen to Everyone: 05:42 PM
https://docs.google.com/presentation/d/1qmEMEg0i-Iw16xHoNI8xXEi7kJ3Jg_90eGtoWMMPk
sM/edit?usp=sharing
From Dennis Landi to Everyone: 05:48 PM
Can you please post a link to the MyData groups? I am not familiar with this work.
From Kalyan (AyanWorks) to Everyone: 05:48 PM
This one I think - https://mydata.org/mydata-101/
thanks
More specifically: https://covid19.mydata.org/
From Iain Henderson to Everyone: 05:51 PM
Coronadata channel on the MyData Slack is the place where most of this discussion happens
Annti and Ian, I am very impressed. Can you please post the links in the UseCases group.
And you can also email directly at dlandi2000@gmail.com I would love to help where I can.

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Let’s continue the discussion in the use case -channel in Slack.
Can someone send me an invitation to that slack channel, I have not been able to get in.
Please send invitation to dlandi2000@gmail.com
From Catherine to Everyone: 05:53 PM
Me too: catherine@finema.co
From markp to Everyone: 05:53 PM
me too please mark.packham@live.co.uk
Me too please - kalyan@ayanworks.com
From Robert Silver to Everyone: 05:54 PM
and me - robert.silver@rbs.co.uk
From Lucas Carmona to Everyone: 05:54 PM
me too please: lucas@esoldiarity.es
Everyone has now an invite.
From Iain Henderson to Everyone: 05:55 PM
This should get you to MyData Slack https://mydata.org/slack/
From Apichet Bhusry to Everyone: 05:55 PM
thank you
From Catherine to Everyone: 05:55 PM
Finema based in Thailand is doing Zero Knowledge Proof as well just incase you need any
assistance. Thank you.
would like to know how do we get the governments to accept this standard - any plans to get
certain organizations to back this apart from W3C for DIDs and VCs
From markp to Everyone: 05:56 PM
DP, Privacy, Ethics feels more like Rules and Governance.
From Konstantin Salnikov to Everyone: 05:58 PM
Hi there, can anybody send me an invitation to Slack channel to k@credentia.ru, thank you
From Sze (Z) Wong to Everyone: 05:59 PM
I would love to join the slack channel too. swong@zerionsoftware.com
Thanks.
Done, @Konstantin & @Sze
From Sze (Z) Wong to Everyone: 06:00 PM
Thanks so much
Thanks Antti
Please be active in Slack. We can have working meetings ad hoc through there.
I need to leave to a next meeting now.
From Andre Kudra to Everyone: 06:02 PM
Antti +1
thanks!

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thank you very much
Thanks, great effort by all
11. Agenda (1 min)
d. 38 participants
12. Todo (9 min)
Antti: Some use cases overlap, difference between immunity by vaccine versus
exposure. Discussion regarding measurements
SEN-HUANG POO: Working on submission of proposal in UK, UK grant. Relates
to Use Case #1 (care worker, in care home, protecting the health of the
residents), together with
NICKY HICKMAN -> focus on inclusion, inclusive design, widely applicable
solution. Supporting all use cases with this. UC00 (LWoT) + UC1 (Healthcare
Worker Mobility)
Michael: UC1 is lower priority
ANTTI KETTUNEN: Will contribute to integration of use cases for back-to-work,
immunity, etc. (strategic segmentation). Will also contact Iain Henderson since he
has expressed interest in participating. (UPDATE: Iain has promised to
participate if he has time)
Michael Corning: “Delegated Issuer”, “Delegated Verifier”. Operational
differences. Also a business issuer, as outsourcing/delegation is a business
model.
MICHAEL CORNING: Will provide a use-case document on delegated
issuer/verifier. Will also make it linkable to the Tools group.
Oskar: Separate use case?
b. Assign Subtask Leads: 1) Healthcare domain expert, 2) SSI expert, 3) Value
expert (GTM/Delivery) - Re: email thread from Timothy Ruff
(https://groups.io/g/usecasesCCI/message/11)
13. Doing (40 min)
a. Contact healthcare specialists - (ALL)
i. SER-HUANG POON (shp): Summary on SSI Digital Passport Solutions at
NHS. NHS’s implementation is a bit more complicated that UC1, different
employment contracts. 2 years negotiating, HRM project, legal
employment issue is quite hard. Focus is on deployment. Complex silo’s,
lot of paperwork for moving staff. NHS has direct link with Evernym +

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Sovrin. Positive responses from NHS. Willing to share rules/practices and
regulations on the use or sharing of special data, arrangements for
medical data. Guri: Jamie is contacting NHS, shp and team are working
on a similar digital passport idea for Non-NHS staff which include also c19
credentials (e.g. antibody, ID, previous infection etc). The first deployment
is with senior care homes where the need to check the ID and c19
credentials is critical in protecting the high risk population. Contact at
NHS/Evernym has agreed to help and share information. .
ii. MICHAEL SHEA: Contact with Yale School of Public Health, and EY
Canada
iii. MARKUS MUMMERT: Contacts in Germany in healthcare
b. Stabilize UC templates - KELLY COOPER (+ Michael Corning, Mark Packham,
Ser-Huang Poon) Draft Use Case Standardization
Kelly suggests to add sets of questions in use-cases documents. Also set of
summary field, and use-case pathways (flow, sequence diagram)
c. Status on Use Cases - (ALL) Use Cases for COVID-19 Credentials
i. ANDRE KUDRA: UC2 Proof of Immunity by Exposure - link?
Still getting sorted, solid idea about what we can do in Germany, will
reflect that to CCI. Interested in other jurisdictions. Also responding to
back-to-work draft by Michael Corning. Or perhaps as separate use case?
Or include?
Markus Mummert: Relation with other use cases?
André Kudra: They are all related, different test stages.
Antti: Slack fight-the-virus, post by Ian Henderson, blog post + document
about strategic segmentation, based on two criteria critical/non-c worker,
health status. Could be solution to combine cases.
https://fight-the-virus.slack.com/archives/C01138B6EJ0/p1586865989112
600
André: Working on presentation slides to discuss the use case.
Engagement model.
SER-HUANG POON: Will contribute to this use case.
Antti: Three dimensions: 1) measurement, 2) diagnosis by a professional
(liability), 3) strategic segmentation, see above
ANTTI K: Will contribute, has already contacted André and Ian
ii. DAKOTA GRUENER: UC3 Proof of Immunity by Vaccine - link?
iii. OSKAR VAN DEVENTER: UC00 Creating and Maintaining Local
Webs-of-Trust - CCI-UC00: Creating and Maintaining Local
Webs-of-Trust User story completed. How this works, errors flow, etc i.e.
fit into template Kelly drafted. Domain expert validation of this use case is
TBD. “Delegation” would be useful to include. “Inclusion Requirements”
updated by Nicky Hickman for user experience and business value (also
re: Timothy Ruff’s work).
14. Done (5 min)

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a. The GTM (Go-To-Market) subgroup has produced a draft framework: “Five Steps
to Determine Problem-Solution-Fit for COVID-19 Use Cases.” (It begins on Page
2.) This will help those considering developing use cases into products to make
market-informed decisions.
TIMOTHY: Will send email to whole group.
a. LUCY YANG: Organising CCI-wide call, 11:00 AM ET, 1-hour meeting, will send
out agenda plus link
Chat
From sankarshan to Everyone: 04:59 PM
Greetings! I’ll keep my video switched off. On a metered connection today
From Gurvinder (Guri) Ahluwalia - Digital Twin Labs to Everyone: 05:18 PM
Antti - can you send to all the link to join the slack? for fightthevirus.
From Nicky Hickman to Everyone: 05:19 PM
+1 Antti this kind of framework would be a flexible and intelligent approach
Does anyone have the slack group coordinates mentioned?
From johnwalker to Everyone: 05:20 PM
https://app.slack.com/client/T010QKQ9Q87/C01138B6EJ0
From johnwalker to Everyone: 05:22 PM
( thanks Andre )
Exactly Michael - Guardianship and Delegation are the same type of function
How can I join the slack group?
Both are required for these to work
From Timothy Ruff to Everyone: 05:23 PM
What you're speaking about now we've labeled "Proxy Issuers" in the GTM (go-to-market)
subgroup. It's an important GTM consideration.
From Nicky Hickman to Me: (Privately) 05:25 PM
Nicely done Oskar!
From Robert Schwentker to Everyone: 05:26 PM
Hi all, I'm Robert Schwentker focused mainly on education in the Comms workstream. I'm
here just keep pulse - thanks.
Just to clarify - the UK Post Office verification system is NOT the NHS.
It’s part of the Gov.verify service
From nigel to Everyone: 05:39 PM
Hi Robert, agreed - but also there has been a successful PoC with truu.id testing SSI for
doctor's passports within the NHS
Manny, CEO of truu is looking to scale their solution currently at the request of the NHS

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Hi Nigel - thanks and I’m aware of this request.
From nigel to Everyone: 05:40 PM
great
Kelly Cooper, I think that is an excellent start for a list of considerations.
I think your list of considerations begins to focus on user-focused scenarios
"Real people versus engineers", Understood!
Is there a Slack channel for this group?
dennis, see slack link above. there’s a #usecases channel
I don't see it. Can you repost?
From johnwalker to Everyone: (10:20 AM)
https://app.slack.com/client/T010QKQ9Q87/C01138B6EJ0
From Andre Kudra to Everyone: (10:21 AM)
thanks oskar for herding us cats
thanks bye
2. Introductions (5-10 min)
a. 41 participants
b. Mission of CCI (Covid-19 Credentials Initiative)- Consumption of Output
Guri: Produce an implemented capability, to be used by healthcare providers and
others that need verification of Covid-19 credentials.
c. Mission of UC (Use Case Group) - Consumption of Output
Guri: Produce a set of stable use cases that are sufficiently detailed for the Tools
workstream.
3. Discussions (20 min)
a. Review mission (draft above)
André Kudra: Use case by team, why handover?
Steve Magennis: What is the expectation? Implement a system in a large
context?
Guri: Implementation is within the scope of CCI, by Workstream #3 Tools.
Partnering with healthcare and other stakeholders.
Guri: Workstream #4 is Coordination and Communication.

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Antti Kettunen: Findi. We are the use case group. We should involve healthcare
professionals to validate our use cases. Healthcare professionals indicate that
the virus will mutate. Our use cases need to reflect that. Have a review gate by
healthcare experts.
Oskar: Health care expert review gate should be part of the template of each use
case.
Jamie Smith: Spirit of Use Case is set to work on as a community. Not only
healthcare, but also back-to-work, air travel, … Every use case should have
THREE champions, 1) domain expert, insider, 2) SSI expert, 3) delivery experts.
Latter is about behaviours impacts. Start with a very weak expert center, be
cautious, delivery teams help with tweaks, reusability + local adaptation.
Michael Shea: Regulatory, sensitive area, disclosure, do we have those experts?
Gurvinder: Country-specific. Should we have regulatory descriptions about the
use cases? We can for now park this question, it depends on implementation.
Michael: Idealism in use cases, but unclear who issued the credential, licensing.
b. Review scope (draft above)
Timothy Ruff: Intend of the group in terms of business viability. Obvious use case
is to test persons for antibodies. But who is the issuer? Who is the verifier? Who
benefits? Why would the issuer do this? Why would testers change their
processes and workflows? How much do we want to consider those business
obstacles? Or just assume that others will take it?
Antti Kettunen: This ties directly in with the rules group, rules define this, chain of
trust.
Oskar: See use case UC00
Timothy: Business aspect, need to consider that, why would tester change their
workflow. Tester gives a piece of paper.
Erwin: Labs are now indeed very busy, but later there will be competition
between labs, and there will be customers for these tests. Digital verification may
be competitive advantage
Gurvinder: business model is fair point, but consider also the incentives for
adoption. Cf Hyperledger Fabric and IBM, open source + business model.
c. Review deliverables (draft above)
Kelly Cooper: Documents should be simple, quasi agile standards, interpreted
across groups (medical, R&D, …). We need a guiding set of documents.
Multiple documents from multiple sub-teams, using same template
Ser-Huang Poon: data model definition?
Antti Kettunen: We should talk about data models, leave the schemas to Tools
group
Michael Corning: Two camps in the tooling group (ontology versus …), so yes,
leave to Tools. Use cases should refer to rich data, if possible.
d. Review timeline (draft above)
André: How about the voting spreadsheet? Why need two weeks for that?
e. Meeting frequency & Next meeting date

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4. Todo (20 min)
a. Fill in your connections with domain experts (examples above)
TNO has good links with Dutch healthcare and government, including own
healthcare R&D experts
<no others links identified yet …>
b. 3-4 members (lead+support) to create UC capture template
#ACTION: Kelly Cooper, Michael Corning, Mark Packham, Ser-Huang Poon
will propose a template
c. Use-case champions, use-case contributors
#ACTION: UC00+UC02+UC03 have champions
d. Identify similar bodies of work (use case related to COVID-19 Credentials)
e. Text needed about to share with healthcare experts
#ACTION: Guri will coordinate this with WS#4
5. Doing (5 min)
a. Review use cases (prioritization spreadsheet)
6. Done (1 min)
Chat
From Michael Shea to Everyone: 05:08 PM
Hey folks can you mute your lines if you are not speaking
From Mark to Everyone: 05:09 PM
^+1
@andrekudra thanks for stepping up to champion. I saw your entry in the use case document
draft.
My pleasure
From Kelly Cooper to Everyone: 05:26 PM
Are we using Agile-style approaches for use case documentation? Will we use Cawemo - for
BPMN - or ? To set up a ‘standard’ for use case presentation?
From Samy Amara to Everyone: 05:30 PM
I have no access to the use cases you refer to, where are the stored?
https://docs.google.com/spreadsheets/d/16BgGIJ5isfOSSdYRY3okaSS65U6b6_lK4YUQNJp
QSTg/edit#gid=1664223208
From Samy Amara to Everyone: 05:31 PM
Thank you!
And the Use Case Definition Doc being discussed ...
https://docs.google.com/document/d/14z7deFUHSl-x60KMLhF2FoxPIbCGmEMEJl0myr4g4d
A
And holders themselves are probably willing to pay for a digital Credential.

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Do we have any representation from the Healthcare Insurance industry, since they would
prefer not to repay for tests, it seems that there is a vested interest here.
Well said Kelly
The Hyperledger comparison is a useful one, it surfaces which layer we should be operating
as a group focused on use cases. HL Fabric is at the lowest layers, the tech that makes other
use cases possible at higher layers of the stack; it is use-case-agnostic.
Gurvinder do you see this group operating at the lower layers, like HL Fabric? Or the layer(s)
above?
I think we should focus on the data model, but not on schema.
From Phil Wolff to Everyone: 05:47 PM
Data glossary? So we clarify we're all using the same words to mean the same things?
From schwentker to Everyone: 05:47 PM
one answer from quora on data model vs schema: A data model can, for example, be a
relational model where the data will be organised in tables whereas the schema for this model
would be the set of attributes and their corresponding domains. A schema is a blueprint of the
database which specifies what fields will be present and what would be their types.
Weekly Meeting works at this time.
@timothy - at above layer. this is higher level/application.
@schwentker, yes that’s a good description when talking about relational database design.
No need to do relational references in data models when talking about credentials.
https://docs.google.com/document/d/1dbWvs1m8uziTsbhUQv_nPofTXAyDSkxI5CZtoo1SlRY/
edit#
is the world of credentials so homogeneous that we all use the same terms across industries,
professions, technologies?
So the priority UC will have Domain expert and Gate Review sign-offs by 21st?
https://docs.google.com/document/d/1dbWvs1m8uziTsbhUQv_nPofTXAyDSkxI5CZtoo1SlRY/
edit#
Maybe someone from WHO
@Gurvinder the conversation is moving toward a more technical one, which is great and
needed, but I think we may need a separate track dedicated to the B of the BLT that can
address those issues concurrently. I am concerned about what we just realized as a group,
that we don't have healthcare experts involved, that we're a bunch of technologists in love
with a new technology (me too!), and not well enough informed by the market that we're
expecting to take up the results of our work.

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WHO would provide global reach.
Timothy +1 / or more ;-)
I have 2nd in line contacts in WHO - can try and connect
Q. Should we be doing this without Cerner, Epic and the other big EHR software
vendors/gatekeepers?
Bingo
(to Phil)
Don’t forget everyone outside the US.
@Timothy Ruff, when you talk about business, do you refer to the Clinicians (i.e. doctors) or
the Business (i.e. private healthcare provider). There’s a big difference. At least in Finland’s
public healthcare, Clinicians create the demand, not the business administrators.
I think we should also consider that people will have paper before digital records.
From Steve Magennis to Everyone: 05:57 PM
+1
From Alan Sherriff to Everyone: 05:57 PM
Timothy, I agree too
+1 Gurvinder!
From Kelly Cooper to Everyone: 05:57 PM
Each use case can create a list of questions. We can all go our contacts in conversation and
report back on our data findings.
Agree, I asked for an engagement model for HC industry and political decision takers in/prior
to the kick-off call.
From Sh P to Everyone: 05:57 PM
we need to get lobbyist, politicians etc involved
Let’s not confuse the healthcare business with healthcare clinicians.
From Steve McCown to Everyone: 05:58 PM
+1 for Timothy's business comments. Once we build the system, the next concern will be
how easy it would be to integrate into the health care industry's business systems &
processes.
@Antti Can we chat separately? I'd like to better understand your situation.
From alex to Everyone: 05:58 PM
Same here
@Timothy sure, can we call right after?

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@steve my concern is that BigEHR has its own standards and technologies, may even be
doing this right now.
@Sh P, this may fall into the Comms workgroup
@Antti Just sent you an email, let's do it.
From Andre to Everyone: 06:00 PM
This might be a usefull article for shaping up the usecases
https://www.cigionline.org/articles/digital-response-outbreak-covid-19
From Steve McCown to Everyone: 06:00 PM
@phil: totally agree. The SSI systems are better than current tech, but they're also different
and separate. We need to solve that. :-)

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