A formal methods solver for an engineering description language was the thinking behind Zed (Z notation) https://en.wikipedia.org/wiki/Z_notation https://en.wik

A formal methods solver for an engineering description language was the thinking behind Zed (Z notation) https://en.wikipedia.org/wiki/Z_notation https://en.wikipedia.org/wiki/Z_notation But the ideas of trusted OS and instruction might be necessary to compartment secrets to reduce their potential exposure to the least possible opportunity. It's basically impossible to completely eliminate plaintext and secrets in clear unless maths allow it, but we should still try.