In a time of war, I was both a tool and a weapon, my secrets held the key to victory. What am I, whose deciphering turned the tide of conflict?

Category: History · Difficulty: hard

Hint: Think of a device used for secret communication during World War II.

Answer

Cipher Device

Explanation

The Enigma Machine was used by the Germans to encrypt messages, which the Allies had to decode.

This is a hard history riddle — a tricky one that takes a little thought. The answer is Cipher Device.

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