Let's use cash as an analogy. Someone comes to you and says "I'll give you X Euro if you let me hold onto your Y Dollars until you give me X Euro back." You t

Let's use cash as an analogy. Someone comes to you and says "I'll give you X Euro if you let me hold onto your Y Dollars until you give me X Euro back." You think, well Euro are useful, maybe you need Euro specifically to invest in an European business. So you agree. But when you review the contract presented it just says you give Y Dollars, so you go "wtf?" and refuse to sign. Apparently, some people are dumb enough to hand over their cash without reading the contract, and an entire industry exists to fool people into doing so.