So it is nothing that will make it go up or down ?
As far as i understood it (having discovered bitcoin just 2 days ago). The core price factor = demand (very much like in anything else). But, with the difference from modern RL currencies or the asset-backed-currencies,
There is no asset backed currency left in the world that is honored by any government. Even the Swiss caved into pressure from the European Monetary Union. I'm betting they are regreting that decision these days.