Decentralized Identifiers DIDs and W3C with Manu Sporny and Drummon...

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Decentralized Identifiers
A W3C Working Group Proposal
1
SSIMeetup.org15 Oct. 2018
Drummond Reed
Evernym Chief Trust Offic...

1. Empower global SSI communities
2. Open to everyone interested in SSI
3. All content is shared with CC BY SA
SSIMeetup.o...

Let’s start at the beginning.
Where did DIDs come from?
SSIMeetup.org
https://creativecommons.org/licenses/by-
sa/4.0/

SSIMeetup.org
https://creativecommons.org/licenses/by-
sa/4.0/

So what exactly is a DID?
SSIMeetup.org
https://creativecommons.org/licenses/by-
sa/4.0/

What is a Decentralized Identifier?
A new type of URL that is:
● globally unique,
● highly available, and
● cryptographica...

What does a DID look like?
SSIMeetup.org
https://creativecommons.org/licenses/by-
sa/4.0/

What does a DID look like?
10
did:example:123456789abcdefghijk
Scheme
DID Method
DID Method Specific String
did:v1:nym:BcN...

What does a DID point to?
SSIMeetup.org
https://creativecommons.org/licenses/by-
sa/4.0/

DIDs Resolve to DID Documents
12
{
"@context": "https://w3id.org/veres-one/v1",
"id": "did:v1:nym:DwkYwcoyUXHNkpj3whn4DgXB...

Is blockchain technology
necessary for DIDs?

Microsoft Decentralized Identity white paper—https://query.prod.cms.rt.microsoft.com/cms/api/am/binary/RE2DjfY

What role do DIDs play in
verifiable credentials?
SSIMeetup.org
https://creativecommons.org/licenses/by-
sa/4.0/

We use DIDs in Verifiable Credentials
16
21did:x:123
did:x:789Professor
knows
Pat
Sam
name ageOver
namejobTitle
SSIMeetup....

Why is this better than the URLs or
other addresses we use today?
SSIMeetup.org
https://creativecommons.org/licenses/by-
s...

Web Identifiers Today
18
Domain Name System
(Identifiers are leased to individuals)
Issuer
(Website)
Government, Employer,...

Decentralized Identifiers
19
Decentralized Identifiers
(Identifiers are owned by individuals)
Blockchains / DHTs
(Decentra...

Where is the DID spec now?
SSIMeetup.org
https://creativecommons.org/licenses/by-
sa/4.0/

How do the different groups work at
W3C? When do you create a
Community Group? A Working Group?
SSIMeetup.org
https://crea...

23
W3C Credentials Community Group
Rebooting the Web of Trust

Why is there interest in creating a
DID Working Group now?
SSIMeetup.org
https://creativecommons.org/licenses/by-
sa/4.0/

W3C DID WG Proposal - Survey Results
26
SSIMeetup.org
https://creativecommons.org/li
censes/by-sa/4.0/

27
SSIMeetup.org
https://creativecommons.org/li
censes/by-sa/4.0/

28
SSIMeetup.org
https://creativecommons.org/li
censes/by-sa/4.0/

29
SSIMeetup.org
https://creativecommons.org/li
censes/by-sa/4.0/

30
SSIMeetup.org
https://creativecommons.org/li
censes/by-sa/4.0/

What is the process to create a new
W3C Working Group?
SSIMeetup.org
https://creativecommons.org/licenses/by-
sa/4.0/

Next Steps
32
W3C TPAC
(Oct 2018)
DID WG Charter Vote
(Jan 2019)
W3C DID WG
(Feb 2019)
W3C Strong Auth and Identity Worksh...

What is W3C TPAC?
SSIMeetup.org
https://creativecommons.org/licenses/by-
sa/4.0/

What else is going on that same week?
SSIMeetup.org
https://creativecommons.org/licenses/by-
sa/4.0/

36
The Internet Identity Workshop
October 23-25, Mountain View, CA, USA

If developers, architects, etc. are
interesting in getting involved with this
work, what should they do?
SSIMeetup.org
htt...

Questions?
https://tinyurl.com/did-wg-proposal
38
SSIMeetup.org
https://creativecommons.org/li
censes/by-sa/4.0/

Contact
Manu Sporny
msporny@digitalbazaar.com
Drummond Reed
drummond.reed@evernym.com
W3C Credentials CG
https://w3c-ccg.g...

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