Generally speaking, In the model of VCs et al espoused by TrustOverIP... the user's "Did" is never publically exposed.
The only DID that goes into some sort of Trust Registry is the DID of a PUBLIC ISSUER. (eg. GLIEF, Good Health Pass Coalition", etc._
For the user's did, it is primarily exchanged off chain, in a unique pairwise manner. So the user has a different DID for each relationship, and that DID is not publically disclosed anywhere.
The only DID that goes into some sort of Trust Registry is the DID of a PUBLIC ISSUER. (eg. GLIEF, Good Health Pass Coalition", etc._
For the user's did, it is primarily exchanged off chain, in a unique pairwise manner. So the user has a different DID for each relationship, and that DID is not publically disclosed anywhere.
Check out the Good Health Pass Interoperability Blueprint for one such Governance Framework which will publish by end of month. https://wiki.trustoverip.org/download/attachments/76241/GHPC...