[Database]

You cant create gold out of thin air. Dollars have a political body controlling the supply ( not doing a good job at but still ). Bit coin???

You can't create a Bitcoin out of thin air. It cost quite a bit in hardware investment and consumption of electricity to produce one.

[Renfrew]

“You can’t create a Bitcoin out of thin air. “

That’s true, but you can create an entire new crypto currency out of nothing, which is the main complication these days.