They couldn't. If you pegged the price to one, there wouldn't be enough units for everyone to buy anything they want. Remember that there are only 12 million of

They couldn't. If you pegged the price to one, there wouldn't be enough units for everyone to buy anything they want. Remember that there are only 12 million of them, and only ~20 million will be ever available. Tying their value to one would mean that the size of whole economy would be only 20 million USD, which is pocket money on a global scale.