The value of US dollar is heavily based on confidence and reserve currency status based on US Gold reserves, rather than the IOU value of gold in the vaults.
The value of Bitcoin is based on confidence in proven cryptographic hash calculations and the confidence in the difficulty of such.
The US dollar is heavily transacted digitally.
Bitcoin is entirely digital.
The US dollar is preserved by US hegemoney, some gold reserves, currency float valuation and US Securities.
Bitcoin is preserved by CPU power and limited supply.
Biting the hand that feeds IT
