There needs to be some basic economics here.. Money has value because of the value of the economic transactions in which its conducted. Government-backed currencies are forced to have value in the sense they force people to use it for their taxes. The US, additionally, forces the world to use it for oil trades. Value is in those economic transactions. A currency is just a "liquifying" of that value, to make it easier…
Cryptocurrencies have inherent value. Would you say there is value in having the capability to transact with someone else? There is some value there, no matter how many alternatives and how little that value is. That value scales exponentially with the number of potential transactional partners because each additional partner gives all other partners a new potential transactional partner. So at scale, even if the val…
Likewise, that's the same market for any currency proposal -- including all the coins currently trading at 0 USD.
Money's job is not to have inherent use-value, as then people would use it up. Its value is relational, it tracks the economic exchanges with actual inherent value. But not perfectly, since you can eg., have hyperinflation, etc. So money has a life of its own above the economic transactions, but this is unsustainable, hence inflation which is "money falling back to earth".
There is no earth for crypto to fall to, ie., no place of actual economic productivity.