The "query by example" credential query format is designed to enable developers -to easily request the [=claims=] in one or more [=verifiable credentials=] that -they need to perform a particular business process. The query can also +to easily request the [=claims=] that they need to perform a particular business +process from one or more [=verifiable credentials=]. The query can also specify one or more [=issuers=] that is trusted by the [=verifier=] as well as properties that prevent replay attacks such as a [=challenge=] and [=domain=].