Re: Call for Focal DID Use Cases

Adrian,

I wanted to say that you shared a terrific use case.

I'm going to submit three, but thought I'd send them as a PDF first, as 
I included a simple persona image to bring the story to life. See 
attached. Maybe we can add a field in the form to upload a persona image.

FYI, I use this template for user stories, based on a persona: /"As a 
<persona>, I want <what?> so that <why?>."/

Maybe this can help some of you write yours in a new way.

Moses



On 6/3/18 8:58 PM, Adrian Gropper wrote:
> Joe, thanks for reminding me that a good use-case should be about 
> value creation and human experience rather than DID or some other 
> tech. Here is my attempt:
>
> *Name *-- /A pithy name that captures the relevance of the use case/
> A Prescription for Alice
>
> *Background *-- /A sentence or three capturing current state of 
> practice, the motivation, and the value it creates/
> Alice wants help with her urinary tract infection (UTI) and is a bit 
> touchy about her privacy. In the old days, she would have to make an 
> appointment in-person and get a paper prescription to take to a 
> pharmacy. She wants to save money and have peace of mind.
>
> *Description *-- /A paragraph capturing the core action of the use 
> case: what people do/
> Because she lives in Seattle, Alice is in a state that allows Planned 
> Parenthood to diagnose and prescribe online 
> https://www.plannedparenthood.org/get-care/get-care-online 
> <https://www.plannedparenthood.org/get-care/get-care-online> . Alice 
> uses the identity wallet on her iPhone to register with the online 
> medical practice. She tells 
> <https://www.youtube.com/watch?v=N7lMxNfb7rw> the online practice her 
> name is Althea with password-less authentication and a verified 
> driver's license credential to prove that she's a WA resident. The 
> remote physician, Bob, is licensed by the WA Board of Medicine and 
> credentialed by Planned Parenthood of WA, Inc. He's securely signed in 
> using the identity wallet on his smartphone. Bob issues Alice a 
> digital prescription in the form of a verifiable credential and allows 
> Alice to download it however she pleases. Alice is a librarian and 
> trusts her local public library to erase their logs as allowed by law. 
> She uses one of their computers to sign-in and do all of this. She 
> snaps a picture of the QR code that is the prescription to take to the 
> pharmacy. Charlie, the licensed pharmacist, scans the prescription QR 
> code and fills the prescription. Alice pays cash.
>
>
> *Sticky Wicket *-- /A sentence or three capturing the awkward 
> challenge in this particular situation/
> The challenge of this particular use-case is that only Bob and Charlie 
> are verified identities and accountable for their interaction with 
> Alice. Alice can be anonymous or pairwise-pseudonymous with both Bob 
> and Charlie and everything just works. Alice, Bob, and Charlie all 
> keep separate and legally authentic copies of the records of their 
> interaction in case of dispute.
>
> *Distinction *-- /A brief phrase explaining what makes this use case 
> distinct/
> The Prescription use-case is a common and high-value example of 
> privacy engineering as we shift to convenient and cost-effective 
> online commerce among licensed and unlicensed individuals as peers. 
> Bob and Charlie benefit by reducing or even eliminating the influence 
> of their respective institutions or employers and therefore make more 
> money. They pass some savings to Alice who also gets increased peace 
> of mind.
>
> What makes a good use case?
>
> A good use case is one that is:
> A. *Unique* -- minimal overlap with other use cases
> B. *Relevant* -- highlights the particular value of DIDs
> C. *Value Creating* -- there is demonstrable value to the people at 
> the heart of the use case
> D. *Simple yet Sticky* -- simple enough to be accessible, but also 
> captures a potentially complicated edge case.
> E. *Specific *-- Uses real names and real situations to help readers 
> empathize with the human requirements
>
> Adrian

-- 

*Moses Ma | Partner*

moses.ma@futurelabconsulting.com | moses.ma@sparkchaincapital.com | 
moses@ngenven.com

v+1.415.568.1068 | skype mosesma


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