= History of cryptography
{wiki=History_of_cryptography}
Cryptography, the science of encoding and decoding information, has a rich history that spans thousands of years. Here's an overview of its development through different periods: \#\#\# Ancient Times - **Egyptians (circa 1900 BCE)**: The earliest known use of cryptographic techniques was in ancient Egypt, where hieroglyphs were used to encode messages. - **Greek and Roman Periods**: The Greeks used simple substitution ciphers, such as the Atbash cipher.
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