Regarding your first point, extraction of the headers could be trivially automated. Also, using Hinge's CDN (which I think is CloudFlare and/or AWS) is more viable imo, as you don't need to provide headers to GET the files. If that also applies to user-uploaded videos then I do think there's some meat on this bone. But as the other user who replied to you pointed out, this was mostly for nerdy delight.

Also thanks for bringing up the blockchain C2 use, that's cool and news to me.