Not really on nostr, but you can have an image server that tracks everytime an app downloads it. Then you just need to make sure there is an image in every post.
nostr:nprofile1qqsyvrp9u6p0mfur9dfdru3d853tx9mdjuhkphxuxgfwmryja7zsvhqpz9mhxue69uhkummnw3ezuamfdejj7qghwaehxw309amxjar0wghxummnw3erztnrdakj7xcm2wk Is there a way to know the engagement on #nostr ? For example if someone looks at your post, can it be known only to the author ?
Discussion
Not possible huh. Anyways ty for replying.