Let's go back to the stone age, like on the isle of Yap! Those giant stone coins are worth a dozen canoes or three wives, showing how much energy is needed to hew one from solid rock.
Oddly enough, bitcoin proponents claim their currency's value is based on labor or energy. I still don't know what it means to mine a bitcoin, but a Facebook chum celebrated loudly when he'd mined his first, at an electrical cost of four times the bitcoin trading value. But that was when it was worth a few dollars.
He cheered when the price spiked to $30. Been dead silent since then -- just like a colleague who bought 3,000 shares of Facebook @ $37 on day one of the IPO.
"Cowards & idiots can come along for the ride but they gotta sit in the back seat!"
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