well take the overstock for an example....which only accepts fiat btw...


every purchase via btc on overstock is basically a btc sell order, if u dont have enough demand...enough buyers for btc to at least sustain the value (compared to fiat) on some level...the price will go down...the more of this (payment processor takes the risk) the lower the price, unless the demand increases...yet...why even bother with the fiat then?