W3C home > Mailing lists > Public > public-credentials@w3.org > March 2017

Re: Proposal for UNHCR demo

From: Joe Andrieu <joe@joeandrieu.com>
Date: Mon, 13 Mar 2017 16:34:26 -0700
Message-Id: <1489448066.1409425.910213440.4243C45E@webmail.messagingengine.com>
To: Timothy Holborn <timothy.holborn@gmail.com>, Credentials Community Group <public-credentials@w3.org>
It is fictional, but we agree. We initially had an infection that needed
penicillin, but switched to diabetes because we wanted a longer period
of ongoing medical support in a life or death situation. We're open to
suggestions for making that more realistic.

On Mon, Mar 13, 2017, at 04:31 PM, Timothy Holborn wrote:

> Is this based on a true story?   My experience of people with diabetes
> (certainly type 1) is that insulin dependence is not an optional,
> they'd simply feel better type of situation. life of death from my
> experience, and if the patient becomes insulin dependent in type 2 -
> i'd imagine it's very much the same...

> On Tue, 14 Mar 2017 at 04:22 Joe Andrieu <joe@joeandrieu.com> wrote:

>> __

>> Manu,


>> Here are my thoughts after our call last week about the RWoT demo.

>> The Joram 1.0.0 Engagement Model
>> https://docs.google.com/document/d/1GLejHAyOGcFZMDH23VpBK5as_474gt1tdYZIWkHm7c0/edit?usp=sharing,
>> currently in draft, is an attempt to describe the human interactions
>> when a Syrian refugee works his way through Greece, with an eye to
>> descripting requirements for a self-sovereign identity system. It is
>> an early step to formally understand how to support UN SDG 16.9. For
>> simplicity, I'll refer to this as the UNHCR use case.

>> Perhaps the key challenge in this use case is the lack of technology
>> owned or controlled by the typical refugee. In the engagement model,
>> we assume that the stewards--not the refugee--have access to a
>> physical device connected to the Internet, which is capable of
>> properly accessing a yet-to-be-defined Distributed Data Store.
>> Conceptually, this is just a smart phone.

>> The big question for us: can this engagement model be realized with
>> verifiable claims? What would VC need to support it?

>> The immediate question is: can we modify or configure Digital
>> Bazaar's digital wallet to provide a UNHCR experiential demo at
>> Rebooting Web of Trust IV in Paris?

>> To demonstrate Joram  in a credible way, I think there are two keys
>> we'd need to demonstrate:

>> 1. The use of a QR coded bracelet and pin as the refugee's
>>    identification and authentication mechanism, enabling the refugee
>>    to selectively share specific proofs/attributes with stewards.

>> 2. The storing of the digital trail of non-repudiable observations,
>>    accessible via the authentication and selection mechanism in #2.

>> And specifically, for the wallet you showed us in our call, I think
>> we'll need:

>> 3. A change in the mental model of the wallet-device relationship.
>>    The current wallet software assumes the controller of the device
>>    is the controller of the wallet. In the UNHCR case, the device is
>>    controlled by the steward, so linking to a wallet--which is
>>    controlled by the refugee--should not form a long term permission
>>    for control over the wallet, but rather provide a mechanism for
>>    the transfer of specific attributes to the steward's system.

>> The strawman we've been working with includes a few core assumptions:
>> 1. Steward software adheres to a recognized standard authentication
>>    ceremony. This ceremony includes having the subject (1) unlock the
>>    dataset with a pin, (2) manage selective disclosure of the
>>    dataset, and (3) record the access in the data store with a photo
>>    of the refugee. In other words, we are trusting the software to
>>    act to a standard and for stewards to use non-compromised devices.

>> 2. We're ok with access to the underlying datastore being
>>    provisioned/permissioned based on UN criteria, and are comfortable
>>    with the UN managing consensus and permissioning of steward
>>    organizations. We don't need to resolve the question of how to
>>    implement the engagement model in an open public ledger, because
>>    we see significant benefit in the UN's role establishing rules of
>>    governance and monitoring participants for bad behavior.

>> 3. Our mental model for the datastore is not cards in the sense of
>>    Information Cards or loyalty cards, but rather an accumulated
>>    context of non-repudiable observations, which can be selectively
>>    presented by the subject. The key to us is that any participant
>>    can write an observation about a subject, and the subject controls
>>    which attributes are shared with which recipients.

>> While we are pushing towards a user-driven or self-sovereign
>> approach, our particular scenario is fine with the role the UN--as a
>> collective collaborative governing body--establishing who can
>> read/write to the data store and how bad actors are policed and the
>> resulting dataset is granularly composable by distinct sharing
>> ceremonies.

>> Proposal for the demo:

>> 1. Issue participants a bracelet with a unique QR code

>> 2. Associate a photo with that QR code

>> 3. Associate a user-selected PIN with that QR code

>> 4. Create several interactions where the bracelet + PIN + a photo
>>    check (performed by the steward) authenticate the participant for
>>    access to services. Ideas for interactions:
>>     a. entrance to the event

>>     b. getting food

>>     c. giving a talk

>>     d. drink tickets

>> 5. As a bit of theater:

>>      a. an intake scenario of Joram at the beach, taken to UN intake
>>         officer, linking the participants experience to Joram
>>      b. at the end, "accuse" a participant of a transgression, for
>>         which the history of interactions provides evidence refuting
>>         their guilt.

>> I'm not sure how much of that is feasible given the timeframe, but if
>> we can make a good pass at something like this, it would provide a
>> catalyst for discussion of best practices when the subject and/or
>> controller of a claim lacks the technology to manage their own keys,
>> but does have the moral and legal authority to manage  consent and
>> disclosure.

>> -j


>> --

>> Joe Andrieu, PMP

>> joe@joeandrieu.com

>> +1(805)705-8651[1]

>> http://blog.joeandrieu.com



Joe Andrieu, PMP





  1. tel:+1%20805-705-8651
Received on Monday, 13 March 2017 23:34:54 UTC

This archive was generated by hypermail 2.4.0 : Friday, 17 January 2020 19:18:03 UTC