Gold can exist without Internet. Bitcoin can't.
Gold can exist without electricity. Bitcoin can't.
Gold can exist without humans. Bitcoin can't.
Gold doesn't depend on SHA 256 algorithm and how NSA breaks cryptographic algos. Bitcoin does.
"Value requires a valuer." -J. Baird Callicott
"The concept value is not a primary; it presupposes an answer to the question: of value to whom and for what? -Ayn Rand