Meaning & use
cryptography
Last updated
The practice of writing or solving codes to secure information so that it can only be read by intended parties.
See it in a sentence
Banks rely on cryptography to protect customers' financial data online.
She studied cryptography in college, hoping to work in cybersecurity.
A note on using this word
Modern cryptography underlies everyday technology like secure websites, messaging apps, and cryptocurrencies, even though the term originated with ancient secret codes.
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