> Since the grey blob exists, I believe it is fully possible to construct natural(-ish) images that have a selected hash. At the very least, there are large cl

> Since the grey blob exists, I believe it is fully possible to construct natural(-ish) images that have a selected hash. At the very least, there are large classes of images that, while not realistic photographs, people will willingly download, that should be very easy to craft collisions for: Memes. In particular, given the distortions of surreal and deep-fried memes, it should be pretty easy to craft collisions there.