The History of Cryptography

Cryptography is the hidden language of power, secrecy, and survival. In this episode of Compact History, we trace the evolution of cryptography from ancient ciphers and coded letters to wartime codebreaking, Cold War intelligence, and the encryption that quietly protects modern digital life. It is a story of mathematicians, spies, wars, and machines, where the battle to hide information has always run alongside the effort to break it.

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