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Re: Question: Can DID Documents define permanent email addresses?

From: John Toohey <john.toohey@dominode.com>
Date: Sun, 11 Mar 2018 21:37:46 -0400
Message-ID: <CALoTXSXYWy=t=Q0hDxNT2hwvF-iBGo+L5iMUD_Pe=Df5CU_Bsw@mail.gmail.com>
To: "=Drummond Reed" <drummond.reed@evernym.com>
Cc: Steven Rowat <steven_rowat@sunshine.net>, Credentials Community Group <public-credentials@w3.org>
DID to DID comms are intriguing. Can you elaborate on that or point me to
some discussions on it? Thanks.

On Mar 11, 2018 21:19, "=Drummond Reed" <drummond.reed@evernym.com> wrote:

> Steven, yes, actually one of the great advantage of DIDs is that they can
> provide lifetime connections between people, orgs, and things that can
> persist no matter how often the DID subject changes service providers of
> any kind (email, phone, physical mail, etc.)
> The exact mechanisms may vary, but the general algorithm is:
>    1. Once assigned by an identity owner to a new connection (which can
>    be pairwise pseudonymous), the DID for that relationship never needs to
>    change and the connected party can always look up the DID on the
>    relevant blockchain to obtain the current DID document (unless, of course,
>    the DID has been revoked, which only the identity owner can do).
>    2. The DID document will contain one or more service endpoints (which
>    can also be pairwise pseudonymous) providing discovery, contact, or
>    messaging services for the DID subject.
>    3. The connected party (the entity to whom the DID was assigned) can
>    use DID Auth for their own DID to authenticate to the appropriate service
>    endpoint to initiate communications with the DID subject.
> This approach could of course be used to discover the identity owner's
> current email address, however IMHO the whole concept of using DIDs to
> discover email addresses (or phone numbers or other legacy addresses) will
> over a few years give way to using DID communications channels directly,
> i.e., why use email when you can do encrypted DID-to-DID messaging or
> streaming?
> Yes, I've swallowed the Kool-aid, but I believe DIDs really are "the
> address of the future".
> =Drummond
> On Sun, Mar 11, 2018 at 8:25 PM, Steven Rowat <steven_rowat@sunshine.net>
> wrote:
>> Greetings,
>> Could some combination of DID Document, Method, and Services allow the
>> entity that has the email (and aliases) to define those in a central place,
>> ie the DID Document, and then merely point to the current server for them?
>> So if the server changes, the email address doesn't have to? And so all the
>> correspondents of Entity X will never have to know, and can still
>> communicate with Entity X by the same email address, forever (or until
>> Entity X wishes to change it)?
>> This seems like it would potentially be a big advance on the current
>> system, which is either:
>>  A. ISP based, so the email address must change if Entity X moves to a
>> different ISP;
>>  B. Cloud-based, so the Entity X is tied to [Google, Microsoft, etc.] who
>> handles their email, and must change their email address if they wish a
>> different provider;
>>  C. Own domain (EntityX@EntityX.com) which is possible but somewhat of a
>> pain to set up, especially for the 99% of the Internet who don't know what
>> a server is (see: https://konklone.com/post/take
>> -control-of-your-email-address for how that can be done).
>> I haven't seen any mention of this on the list or DID discussions, but it
>> seems like it would be a good thing to have if it's possible; potentially a
>> simpler method, or at least one that the entity has control over.
>> ?
>> Steven
Received on Monday, 12 March 2018 13:51:33 UTC

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