> until recent technology made it possible during the last decades.
Julius Ceasar used encryption (poor, but effective at the time). The enigma machine was developed at the end of World War 1. Unless you have a very charitable interpretation of “last decades”, the premise of your argument does not stand up to basic scrutiny.
Julius Ceasar used encryption (poor, but effective at the time). The enigma machine was developed at the end of World War 1. Unless you have a very charitable interpretation of “last decades”, the premise of your argument does not stand up to basic scrutiny.