lol, that explains a lot
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All the currency system has always been a house of cards, and those who were truly aware of it (bankers) always manipulated it for their benefit ("money multipliers" should ring a bell if you passed economy 101).
The bitcoin brought something truly innovative that the history of human kind never ever experienced before, it is getting rid of the bullshit and truly giving the power back to the people.
You are wrong by saying that it is not backed on anything, it is backed on math and in trusted cryptography. By the way, don't use the word Ponzi if you don't understand what a ponzi scheme is all about, it is not a synonym for con or fraud, it is a very specific type of fraud.