密文

Also known as cryptograms

thumb|Example cryptogram. When decoded it reads: "Style and structure are the essence of a book; great ideas are hogwash." -Vladimir Nabokov A cryptogram is a type of puzzle that consists of a short piece of encrypted text. Generally the cipher used to encrypt the text is simple enough that the cryptogram can be solved by hand. Substitution ciphers where each letter is replaced by a different letter, number, or symbol are frequently used. To solve the puzzle, one must recover the original lettering. Though once used in more serious applications, they are now mainly printed for entertainment in