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Look at this forum post: https://forum.solidproject.org/t/socialcg-meetup-on-solid-activitypub/3028

ActivityPub SocialCG has Solid on the agenda for a while, but so far no one from solid interested. This is spec level discussion and compat with the fediverse.

Next meeting is 2nd Saturday in June (all meetings on 2nd Sat each month).

Proposed deliverable of this panel:

Let's create a writeup / post discussing the differences and similarities between Solid Pods, DIF Data Hubs, Secure Data Hubs, and Aries Agents.

For example, this coming Tuesday Aug 13th Credentials Community Group call (see link for call details) will be featuring an introduction comparing Agents, Data Hubs and Secure Data Hubs (see Slide Deck) -- and it mentions Solid!.

It would be great to create a similar document (shorter), from Solid's perspective.

Just leaving this out here as a copy of my forum post (heard the forum is not really used by 'core team' members). I am no expert in this field, but just interested where Solid fits in..

You are probably familiar with RWOT initiative. In RWOT4 Paris and RWOT5 Boston there have been mentions of WebID and in RWOT9 Prague SolidVC by @kezike was presented.

I was wondering how Solid sees itself in relation to this initiative, especially since I read the following in the cancelled (corona) RWOT10 papers:

The Linked Data community has also developed a personal identity mechanism on top of HTTP for that purpose, combining it with some authentication mechanism based on certificates, called WebID.

However, the problems with HTTP based personal identification are known and were among the main issues leading to the DID work: decentralization, persistency, or authentication/verifiability. I.e., DID should become an alternative to HTTP based identifications on the Semantic Web, too; but that can only happen if the four principles of Linked Data, as quoted above, can be upgraded to the DID case as well. What exactly happens if one replaces the term “HTTP” with “DID” in these four statements?

(A side issue: WebID did not really “made it” as a personal ID even among people who are not driven away by the Semantic Web. Personally, I believe one of the reasons is the extreme unfriendliness of all setups, creations, management, etc., of certificates, which is at the heart of WebID. This should be a warning to all things DID: there should be very user-friendly tools around very quickly to allow for everyday users to use this; technology is not enough…)

PS. Though I really like the idea of self-sovereign identity I have misgivings about the role of blockchain in some (not all) of the solution being worked on.

PS2. Note that ActivityPub is also represented in various RWOT papers, and discussion here looks at how AP and Solid can be combined. And in this field too there is a shared problem to solve.