For instance, even if you read your compiler's source code and then compile it, there's no way to know that the compilation process didn't insert a back door, a

For instance, even if you read your compiler's source code and then compile it, there's no way to know that the compilation process didn't insert a back door, as in this classic essay: https://www.ece.cmu.edu/~ganger/712.fall02/papers/p761-thompson.pdf https://www.ece.cmu.edu/~ganger/712.fall02/papers/p761-thomp...