Not sure about becoming alive but numbers stations have been operating for awhile now. A simple one time pad [1] can be used .[1] https://en.wikipedia.org/wiki/

Not sure about becoming alive but numbers stations have been operating for awhile now. A simple one time pad [1] can be used .[1] https://en.wikipedia.org/wiki/One-time_pad?wprov=sfti1 https://en.wikipedia.org/wiki/One-time_pad?wprov=sfti1