No, and no! Data are downloaded but the amount matters, a lot! Also, phone, vs tv, vs tablet, vs computer, vs wifi, vs mobile, vs 3g, vs 5g, vs dial up, etc. is a huge difference. Hashing entertainment media is a no go, DRM also plays role (some artists might want to use it, freedom right). Hash doesnโt belong here in Nostr protocol, and thatโs where I draw the line. ๐ถ๐พ๐ซก
Discussion
I did say implementing it might be impossible. I wasn't disagreeing with you, just trying to explain why some people perceive this as a desirable feature.