> Then it is almost useless. I'm sure you're in a prime position to judge that. > In reality, perceptual hashing systems use fuzzy matching on hashes by using

> Then it is almost useless. I'm sure you're in a prime position to judge that. > In reality, perceptual hashing systems use fuzzy matching on hashes by using a metric like hamming distance to calculate differences between two or more hashes. Again, Apple's NeuralHash purposefully doesn't work like that [0]. [0] https://twitter.com/jonathanmayer/status/1423370142411476993 https://twitter.com/jonathanmayer/status/1423370142411476993