- From: Markus Sabadello <markus@danubetech.com>
- Date: Wed, 13 Jun 2018 12:27:15 +0200
- To: public-credentials@w3.org
There's a an Ethereum-based blockchain project called Artis in Austria that wants to support "Accountable Pseudonyms" based on this paper: https://pdos.csail.mit.edu/papers/accountable-pseudonyms-socialnets08.pdf See their FAQ: https://artis.eco/en/faq I'll invite them to the CCG call. Markus On 06/12/2018 08:29 PM, Christopher Allen wrote: > A number of DID (Decentralized Indentifier) use cases being discussed here > seem to explicitly or implicitly require unique personhood, in particular > scenarios requiring voting. > > Personally I call this “Proof of Unique Natural pPerson in a Context”. > Given a context (say member of W3C) there is one, and only one, unique > natural person representing each membership. I believe that it is possible > to do this in a privacy preserving way using web-of-trust claims that is > statistically highly accurate (99%+) though not absolutely > deterministically, which I believe to be sufficient for many voting > scenarios. > > There has also been some research on the topic of unique personhood that > I’ve been interested in, mostly related my hopes for pseudonymous > web-of-trust support in the DID BTCR Method & Verifiable Claims. > > These ideas are talked about the academic paper “Proof of Personhood” from > Bryan Ford’s Group at EPFL in Switzerland. > > https://www.zerobyte.io/publications/2017-BKJGGF-pop.pdf > > Also pseudonym parties: > http://ww.bford.info/log/2007/0327-PseudonymParties.pdf > > Maybe we should schedule an upcoming W3C Credentials CG > https://w3c-ccg.github.io meeting on the topic of unique personhood, and > get Bryan (or someone from his team) to present, along with Bohdan’s > thoughts on unique identity (SURLHI - Statement of Unique Representation of > Living Human Individual), and my hopes for BTCR. > > I also would love to have something basic that is implementable to test > using DID BTCR architectures by #RebootingWebOfTrust for week of September > in 24th in Toronto. Maybe a pseudonym party! > > — Christopher Allen > > On Tue, Jun 12, 2018 at 10:35 AM Bohdan Andriyiv < > bohdan.andriyiv@validbook.org> wrote: > >> Presumably there is a use case for someone to be able to assert that their >>> DID represents the same person as an ORCID or ISNI? >> >> >> We do this on Validbook by using Validbook Statement of Ownership. >> Basically, this is a Verifiable Credential with evidence that you control >> some digital asset. Where evidence is a satisfaction of some challenge - >> publish random number on or by using that digital asset. >> Mainly, these Statements of Ownership are used to prove that DID/SSI >> controls social networking account or blog, but of course they can be used >> to assert ownership over ORCID, ISNI also. >> >> Bohdan >> >> On Tue, Jun 12, 2018 at 8:09 PM, Phil Barker <phil.barker@pjjk.co.uk> >> wrote: >> >>> Presumably there is a use case for someone to be able to assert that >>> their DID represents the same person as an ORCID or ISNI? >>> >>> Phil >>> >>> On 12/06/18 18:03, Steven Rowat wrote: >>> >>> On 2018-06-12 8:50 AM, Siegman, Tzviya wrote: >>> >>> Hi All, >>> >>> I’m seeing a lot of use cases for persistent identifiers for people. In >>> the STEM world, the ORCID [1] is widely used. Some publishers (like the one >>> I work for) require authors to have an ORCID. There is an overlapping >>> system called ISNI [2]. These are real-world scenarios that already have >>> ecosystems supporting them. >>> >>> >>> That's very interesting, and the Wikipedia page for it shows that it's >>> widespread and increasing rapidly. >>> >>> https://en.wikipedia.org/wiki/ORCID >>> >>> But it seems to me that it's happening at a different logical layer than >>> DID, and that DID will have different capabilities; and so both could be >>> used together if DID becomes widespread. >>> >>> For example, the ORCHID doesn't appear to support pseudonymous use, or >>> multiple use, or to be safe for web commerce (via public/private keys); or >>> Self-Sovereign Identity in general; the control of the data is by the >>> ORCHID organization, which is centralized. >>> >>> These are just first impressions; perhaps I'm mistaken. But I don't think >>> it's solving the same problem DID can potentially solve. ORCHID appears to >>> be for researchers embedded in institutions who are using publisher >>> organizations, whereas DID is attempting to be useful -- though admittedly >>> in a similar way at some points -- for everybody on the internet. >>> >>> Steven >>> >>> >>> >>> Tzviya >>> >>> [1] https://orcid.org/ >>> >>> [2] http://www.isni.org/ >>> >>> *Tzviya Siegman* >>> >>> Information Standards Lead >>> >>> Wiley >>> >>> 201-748-6884 >>> >>> tsiegman@wiley.com <mailto:tsiegman@wiley.com> <tsiegman@wiley.com> >>> >>> >>> >>> -- >>> >>> Phil Barker <http://people.pjjk.net/phil>. http://people.pjjk.net/phil >>> PJJK Limited <https://www.pjjk.co.uk>: technology to enhance learning; >>> information systems for education. >>> CETIS LLP <https://www.cetis.org.uk>: a cooperative consultancy for >>> innovation in education technology. >>> >>> PJJK Limited is registered in Scotland as a private limited company, >>> number SC569282. >>> CETIS is a co-operative limited liability partnership, registered in >>> England number OC399090 >>>
Received on Wednesday, 13 June 2018 10:27:46 UTC