Finalize the context URL for the spec to address #206. #258
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Do we need to make corresponding changes to the namespace documents, which include the context file? |
Yes, we do. :) -- this PR needs to be updated to do that. I'll do that on my next edit cycle. |
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Hold on review by @brentzundel until Nov 1st. |
| <dl> | ||
| <dt><dfn>@context</dfn></dt> | ||
| <dd> | ||
| The value of this property MUST be one or more URIs where first URI is the |
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The meaning of a verifiable credential could change if its context changes. I'm concerned that requiring only a URI (which by its nature is a mutable reference), we are not requiring any sort of guarantee that the context pointed to by the URI won't change over time.
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This is also my concern, especially since it is proposed to move Issuer Terms of Use to the @context from the VC itself. The advantage of this move is that the holder of a ZPK credentials cannot hide the terms of use, which he could if it were an assertion in the VC. The disadvantage is that the verifier has to rely on the contents of URLs being immutable. Can we propose some crypto to guarantee that if the contents change, the verifier can detect this.
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We can't solve this issue in this PR. As @gkellogg mentioned, it's a separate broader Web/JSON-LD ecosystem issue. There are options, but we are unlikely to settle on a standard before the VCWG is done. I know that @dmitrizagidulin is going to document all the options over in the JSON-LD WG's issue repository.
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This is an issue the JSON-LD WG expects to tackle, although is not solved just yet. See w3c/json-ld-syntax#9 and the TPAC F2F Minutes. |
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Review received by @brentzundel, only issue raised is one we can't deal with in this PR (it's a broader ecosystem issue). Made changes requested by @gkellogg. Merging. |
| @@ -10,7 +10,7 @@ | |||
| specStatus: "base", | |||
| shortName: "vc-vocab", | |||
| publishDate: "2018-07-25", | |||
| thisVersion: "http://w3id.org/credentials", | |||
| thisVersion: "http://w3.org/2018/credentials", | |||
| @@ -10,7 +10,7 @@ | |||
| specStatus: "base", | |||
| shortName: "vc-vocab", | |||
| publishDate: "<%=ont["dc:date"]%>", | |||
| thisVersion: "http://w3id.org/credentials", | |||
| thisVersion: "http://w3.org/2018/credentials", | |||
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How relevant is the namespace advice from https://www.w3.org/2005/07/13-nsuri? That would imply URIs should be |
I'm hoping not very relevant. :P - we should make an argument that this is something developers might type out and we'd rather not have them do the whole outdated "www" thing. |
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