Imatag. Look it up.
Discussion
Steganography protection on my photos will get you a phone call from my lawyer.
Unless you are IP secure, you can get caught here too.
lars from metallica and many others tried this approach with disasterous consequences and it didn't stop people sharing copyrighted music, it just pissed off their biggest fans when he took them to court and hurt their concert and merch sales (the upsell) for many years. i'm not here to tell you how to manage your business, but free advertizement sends people your way to upsell them.
check this book out. it's an important read for understanding the new free economy.
threatening your fans with legal action for sharing your pics (free advertisement) might not be the best approach.
either way, i understand your perspective and wish you all the best.
NFT mentality.
I'm behind 17 proxies. Good luck with that.
If u want to share content which should not reshared nostr is the wrong platform, delete ur pics and just link it from here to other services which are more suitable for it.
I have no interest in your digital photos, but by making them digitally available you destroy all scarcity.
Failed 1990s concepts like watermarking wouldn't stop me for a moment. I could run a few iterations of Stable Diffusion over anything and dare you to prove SD didn't come up with it on its own.
(And yes, there are NSFW SD models, and I can easily train a custom one)