This is something that comes up every now and then on our side, the fact that that prf are just strings that are serialized CIDs

Implies that we have to do pre / post processing to map those back into CIDs. It is really tempting to just follow the DAG-JSON spec to encode them as links instead https://ipld.io/specs/codecs/dag-json/spec/#links which also specifies exact base encoding that helps with hash consistency

This is not critical and has some size costs associated, but it came enough times that I thought it might be worth surfacing