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Ecosystem Overview
specification. Specifically, the relevant normative "MUST" statements in
Sections [[[#basic-concepts]]], [[[#advanced-concepts]]], and
[[[#syntaxes]]] of this document MUST be enforced.
-A conforming document MUST be either 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
+A conforming document MUST be either a [=verifiable credential=]
+with a media type of `application/vc` or a [=verifiable presentation=]
+with a media type of `application/vp`. A conforming document MUST be
secured by at least one securing mechanism as described in Section
[[[#securing-mechanisms]]].