nostr:npub1zezd5hu3m4x9r5sax4defax37u2p93aqkdlmd6hewg839mwmafuq7v9m3f nostr:npub1ch8nj9yu4676fnwkzacu28mt4y002ezeryqyuhzfnzjw560sq5fqaysw60 nostr:npub1kps389j3dny4hfsjp785tk775290wsg836c0lfq5tmhcv54c6vgsr8ntnt yeah of course it's possible, it's just steganography: https://en.wikipedia.org/wiki/Steganography

It's not any better than posting CP from the perspective of the initial posters (worse, actually, because hiding the picture shows that the poster knows it's bad, the poster can't later claim he thought it was an immature 18-year-old) but from the perspective of the thread-followers, they can claim to have only downloaded sinks for the meme, and only reposted sinks for the meme, without knowing about the hidden payload.