Over complicating things…
Just my thoughts so on
Ask a cryptologist what they think… they would agree I believe. This is not how things should be if they are secure so on… most of it is done though access of a system is all so on. Having a universal known amount would not work you would need a better not yet invented digital imaging system so on… this would work because it would not register so on on anything.
Shhhhh
No Body told you this… pokes government thinks it exist already ;)