specification. Specifically, the relevant normative "MUST" statements in

Sections [[[#basic-concepts]]], [[[#advanced-concepts]]], and

[[[#syntaxes]]] of this document MUST be enforced.

A conforming documentiseither a [=verifiable credential=]that MUST be

serialized using the `application/vc` media type or a

[=verifiable presentation=]that MUST be serialized using the

`application/vp` media type. A conforming document MUST be

A conforming documentMUST beeither a [=verifiable credential=]with a

serialization identified by the `application/vc` media type or a

[=verifiable presentation=]with a serialization identified by

`application/vp`. A conforming document MUST be

secured by at least one securing mechanism as described in Section

[[[#securing-mechanisms]]].