Cryptocurrency is not a real store of value, though. It is basically at the same level as fiat on Exter's pyramid. Wealth is derived from resources and labor. Cryptocurrency will always be the bad money driving out good money compared to an actual resource/commodity based currency whether it's gold, silver, oil, or some other substance. The problem that it's very difficult to remove counterparty risk on things like uranium and oil always switch roles back to metals such as gold and silver instead.
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The difference is that crypto currency has the potential to someday climb beyond fiat beyond gold even on Exter's pyramid.
Gold can essentially be thought of as an eternal partially anonymous POW blockchain. It is mined and mining requires work limiting its supply and allowing it to be used as a store of value. Gold does have counterparty risk. The counterparty is society. The purchaser of gold takes the risk that the gold network (the network of individuals in society willing to buy and own gold) will continue to exist. Governments play a role here in that they have the power through their actions to strengthen or weaken this network but they lack the ability to destroy it entirely. The gold network has existed for thousands of years it has also survived multiple government attempts to eliminate it so the counterparty risk is lower than with anything else that exists.
To displace gold cryptocurrency would need to have a counterparty risk that was lower than gold.
This would require
A) Demonstration of enternal nature currency would need to hold its value over several generations
B) Demonstration of resilience cryptocurrency network it would need to show its ability to survive outlast and not be broken or destroyed by hostile government action.
The jury is still out on whether bitcoin can meet these very high hurdles. However, even if bitcoin fails it seems almost inevitable that something will come along someday that can meet them.