[likely solved] This metallic surface application around the edge of a bluray-disc
The disc is otherwise printed like a "normal" Bluray, but there is this metallic quadruple ring on top. The image is from the "proof" of a scene release, so it might have something to do with being an early release.
It looks like an NFC antenna. But I can't explain why would one be on a disc.
Does it provide some additional data to a player? Or helps the publisher track it somehow?