Some cameras do this already, and there is some interesting research (2022) that tries to use zero-knowledge proofs to make signed images editable (e.g. croppin

Some cameras do this already, and there is some interesting research (2022) that tries to use zero-knowledge proofs to make signed images editable (e.g. cropping, simple adjustments). https://medium.com/@boneh/using-zk-proofs-to-fight-disinformation-17e7d57fe52f https://medium.com/@boneh/using-zk-proofs-to-fight-disinform...