Forget mature. It's not an investment vehicle, period. No currency is an investment vehicle. No currency can be an investment vehicle. Now, if you want to s

Forget mature. It's not an investment vehicle, period. No currency is an investment vehicle. No currency can be an investment vehicle. Now, if you want to speculate on how currency values might fluctuate relative to each other, then you've got something. Bitcoin's an absolutely fantastic currency for speculation.