Comment: have you ever been to a gold mine?

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In reply to comment: gold and silver are mined (see in situ)

have you ever been to a gold mine?

Do you have any idea how destructive gold mining is????

Anyway, bit coins are better than gold in the sense that there is a constant amount, an upper limit. Gold is variable because someone can just find another gold pocket somewhere in the earth and mine it and up the quantity. There is uncertainty to the new supply.