Multiple choice general knowledge history

What is a Cryptex?

  1. A code generation technique

  2. A sequence of fibonacci series

  3. A portable vault used to hide secret messages

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A Cryptex is a fictional portable vault with a cylindrical combination lock, introduced in Dan Brown's novel 'The Da Vinci Code.' The word is a portmanteau of 'cryptology' and 'codex' - it can only be opened with the correct password, and breaking it destroys the message inside.

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