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Encryption

While ‘hacking’ is now used interchangeably to mean ‘computer hackers’, confidential data and private messages have been intercepted since the begging of civilization. Encryption, the art of scrambling data to ensure it’s readability by the intended recipient is not a new concept. Encryption doesn't fall in the classical category of invention since it’s a concept, not a tool one could touch and fail. Didn't find wide spread use until about  a decade back  when http s started.
Encryption
becoming a part of our lives. But if you went back in time you’d realize how it has saved millions of lives. It has own wars, old and new. Encryption technique use saved great civilization like Rome from falling victim to attacks. It helped spies to report to dynasties and armies to carry out confidential orders. through it may sound melodramatic, if there were to be accreditations on what helped humanity survive and prosper to this extent, encryption would be on the list. Had it not been for cryptography, and in turn encryption, the world would have seen more carnage than it did. To this day, it protects us from malicious attacks on our files and network connections and continues to help maintain our privacy.