- From: Adrian Gropper <agropper@healthurl.com>
- Date: Wed, 26 Jan 2022 17:57:19 -0500
- To: Christopher Allen <ChristopherA@lifewithalacrity.com>
- Cc: Bob Wyman <bob@wyman.us>, Drummond Reed <drummond.reed@evernym.com>, Juan Caballero <caballerojuan@pm.me>, Manu Sporny <msporny@digitalbazaar.com>, Simone Ravaioli <simone.ravaioli@parchment.com>, Taylor Kendal <taylor@learningeconomy.io>, W3c CCG <public-credentials@w3.org>, public-vc-edu@w3.org
- Message-ID: <CANYRo8hbi_oacNHSLDBMn19AWb-Esbk__28Wrctofx1R-vvsrQ@mail.gmail.com>
Ownership is the ability to destroy a thing. Everything else is a license. - Adrian On Wed, Jan 26, 2022 at 5:33 PM Christopher Allen < ChristopherA@lifewithalacrity.com> wrote: > > > On Wed, Jan 26, 2022 at 12:29 PM Bob Wyman <bob@wyman.us> wrote: > >> >> - Why have you listed VCs as not generating "Value due to scarcity?" >> GIven the essentially unlimited variety of claims that could be >> incorporated into a VC, it seems to me that one could craft a VC which has >> semantic content equivalent to any NFT. (i.e. A VC that identifies the >> "ownership" of some specific object.) The limited issuance of such >> VCs would create a "scarce" resource in just the same way that issuance of >> an NFT does. >> - Why do you say that a VC is not "transferable?" Rights that are >> recorded in a VC could either be delegated , in whole or in part, or the >> "ownership" of the VC itself might be transferred by the issuance of >> a new VC recording the delegation or transfer. How is this different from >> an NFT? >> >> ... > >> >> - Why do you say that a VC only proves the "identity of an entity" >> but not "ownership of an object?" I can issue a VC to identify the >> existence (identity) of some right (e.g. the ownership of, or limited >> right to use, an object) and then issue another VC to associate that VC >> with some identified individual. While the VC-based mechanics are a bit >> different from what is typical with NFTs, how is the net effect different >> from that provided by issuing an NFT? >> >> When I read this, I realize that once again, our language around the use > of "owner" is entirely wrong. We've in the past tried to do better and > avoid any of the words associated with property rights idea of "ownership" > in DIDs and VCs, but it keeps cropping back in. (An aside: "control" is > better but not perfect. I've also been seeking language from the "law of > agency" such as authority. Not so far limited success in coming up with > something better). > > Part of the problem is that there is a natural centrality in the > controller of a DID, and for the issuer of a VC. This natural centrality > isn't "ownership", but sometimes acts like it. Similary, there is the > problem that multiple parties may have unrestricted read-access (no > encryption or DRM), but are restricted in their ability to fully verify the > VC by some other party. Though this is not part of the definition of > "holder", I feel that a holder a) has to have a readable version of the VC, > and b) can fully verify it, else they are not truly a "holder". They also > are not an owner, instead have limited control or authority. > > Another part of the problem when comparing NFTs to VCs is that the role of > the issuer in an NFT is very limited, or none at all (typically only a > royalty on future sales), once the transfer is complete. Whereas an issuer > of a VC can always revoke a VC, refuse to reissue one on expiration, and > issue a new one possibly even to a new cryptographic party so it resembles > a "transfer" but isn't. As far as I know, there is no way to "transfer" the > issuer's role in a VC — they either issued it, didn't issue it, or there is > a problem. Thus NFT isn't quite comparable to a VC, as in effect the issue > has no (or limited) control or authority over its future use. Note also > that I don't know of any NFT that is revocable or expires. > > -- Christopher Allen > >
Received on Wednesday, 26 January 2022 22:57:46 UTC