>>If the goal is transacting business in a secure, anonymous, inflation proof currency, then there's no reason to sell them. They won't lose value, and if other people sell theirs, they will actually gain value.
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>Well they were worth 5 bucks two years ago and now today they're worth over 100 bucks. I would think that would be a reason to sell.
>Obviously there are people investing in this - heck I know someone that quadrupled her money doing just that in just a few months (she sold all she had to buy car for her teenager). I think the real question at this point should be - is there a bubble?
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From other sources they recently crossed 1 american billion - as they were $2 at low time, imagining a 20 mil market heavyweight is easy to do. Rick's point that all possible Bitcoins could be mined in 30 years is new to me - and if true points to other correlations typically mentioned with expanding money amounts with growing economy, but would alter my take considerably. Economic theory behind creating more money at least partly "inflated", but not totally false for growing economies like BRIC.
Bubble quite probable, but fueled by Cyprus and similar problems.