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</html><description>The Greek word for "secret" in the phrase "cryptocurrency," "crypto," provides you a hint about what the field of cryptography is all about. Transferring secure, encrypted messages or data between two or more parties is the study and practice of cryptography. First, the message is "encrypted" by the sender, making its content unintelligible to a recipient, then "decrypted" by the recipient, restoring its legibility.</description></oembed>
