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Re:Bitcoin Energy Consumption Index by pedrocr on Saturday August 26, 2017 @05:15PM (#15107496)
>Gold requires hundreds of dollars per ounce and untold energy to extract.

The gold you trade is already almost all extracted, I doubt there's 1B$ a year in gold extraction investment but maybe there is.

>U.S. dollars require the existence of a powerful economy and trillion dollar military to keep the currency secure and desirable.

All currencies require a relevant economy using them to be valuable so that's not a real requirement. As for a trillion dollar military that's doubtfull. There are plenty of currencies with the market cap of Bitcoin that don't have nearly as much of a military backing them.

Re:Bitcoin Energy Consumption Index by moobyfrong on Saturday August 26, 2017 @06:01PM (#15107716)
Accurate figures exist. In 2016 world gold production was 3,100 metric tons, worth US$128 billion. Above ground gold stock is something over 180,000 metric tons.

New mining increases gold stock 1-2% per year, but very dependent on market conditions.

Gold has double the volatility of equities with less total return than U.S. treasuries. It doesn't really belong in most people's portfolios.