Thanks.
(The problem does apply to gold speculation in this day and age, though, right? I will BTW readily concede that gold speculation in this day and age is high risk.)
It would apply if gold were legally enforced and usable as a currency, but I don't think it is.
It does apply to forex speculation, though.
There seems to be quite a bit of a Bitcoin interest around here, with several articles about it already: [1 2 3 4 5 6 7]
I propose that links and generic Bitcoin comments should be posted here, instead of making a new discussion thread for each interesting article about the subject.