The use of cryptography during the Cold War is a fascinating, yet still little researched topic. Though most is still classified, a considerable amount of information about Cold War encryption has become public over the last two decades. The purpose of this talk is to tell the five or six most stunning crypto stories from the Cold War era in an entertaining, yet informative way. Like always, the speaker will use Lego models, self-drawn cartoons and similar means to support his speech.