I can't think of any assets that exist only in cyberspace. But even if you assert that grid-independence is not important, you're still stuck making the false claim that there's any scarcity in cyberspace. New crypto-coins can be created at the press of a button, thus your whole entire faith and hope is that everyone will always use Bitcoin, which is provably false.
The very fact that you're trying to pretend you conflated the words "crypto-coins" with "Bitcoins", as if you did it by accident (which you did not), proves my point better than I ever could have; because the entire [false] premise of scarcity among the Hodlers depends on having no other coins ever become popular.
Do you think printing fiat money is somehow harder or less silly than printing cryptocurrencies? You don't have arguments against crypto, you just have arguments against money. "Anybody can come up with a different money that would be exactly equal in every way" applies both to the Dollar and to Bitcoin.
