What is a Mars Bar? On the surface it is a chocolate bar. In this talk it becomes a standing metaphor for what happens when money itself is quietly weakened. The talk turns to ancient philosophical arguments to understand and appreciate the difficult journey of learning about money. Conventional wisdom is often just the story that keeps the present comfortable. This talk seeks truth through a Bitcoin lens and offers guidance from some of the most influential thinkers and arguments of mankind (Socrates, Plato and Aristotle).