Review Verifiable Credentials Status List v2021 #328

For this action I made this comment:
https://github.com/w3c/apa/issues/328


As discussed today, I was asked to share the direction I would like to go
in, on behalf of APA, in response.

The Verifiable Credentials Status List Specification (
https://www.w3.org/TR/vc-status-list/) is a low-level specification and
does not directly propose a user interface (UI). However, we believe that
incorporating certain enhancements to the provision of metadata can still
significantly enhance the overall user experience (UX).

The specification currently proposes a compressed bit string. While this is
highly efficient for data transmission, it places much of the interpretive
burden on the processors and, subsequently, on any user interface that
these processors might serve. This could potentially lead to inconsistent
experiences for the end users, depending on the capabilities of the
different interfaces.

One way to address this issue would be to include some form of preview
metadata along with the compressed bit string. The addition of preview
metadata can facilitate a higher level of abstraction, allowing user
interfaces to understand and interpret the data more accurately and
consistently, even before the full data is processed. This can lead to
improved responsiveness and more predictable behavior across various user
interfaces.

The accessibility section as a result could read:

While this specification does not explicitly detail a User Interface (UI)
or User Experience (UX) design, it's important to acknowledge that the
Verifiable Credentials Status List will ultimately be accessed and utilized
by a diverse audience. This includes users of assistive technology to
navigate and interpret the data. To this end, we strongly recommend that
implementations of this specification do more than merely presenting a JSON
with a compressed bitstring, it would be highly beneficial to also provide
explicit information on how to interpret the data within the status list.


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Lionel Wolberger
COO, UserWay Inc.
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