[HNfriend234]

Problem with gold is that it is also inflationary only difference is it is mines that "print" more gold instead of a central bank.

Cryptocurrencies are better since they have geometric decay built into the algorithm to make them deflationary by default.

[DylanBohlender]

Precious metals are also risky long-term in that we don't know how "precious" they truly are in a solar system-wide context.

We can make well-informed guesses, but until there are boots on the ground of the Moon, Mars, and the asteroid belt, we can't know for sure.

[spurgu]

Then again you can create new cryptocurrencies out of thin air.