How should binary image data be returned

A fairly common requirement for eKYC use cases is that a photograph or scan of an identity document and/or a photograph of the individual being verified is returned as part of the evidence set.

At present it appears that all elements of the eKYC response are assumed to be contained in a JSON object or JWT (including aggregated and distributed claims). Due to the size of bitmap images this could result in very large JSON objects being returned that contain base64 encoded scans or photographs.

Is there merit in having the option to return a distributed ‘style’ claim that refers to the location of a bitmap image in one of the common binary image file formats?

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