it is hard to identify a specific economic problem which they currently solve Receiving, owning and spending money anonymously. Remember when extortionists had to be paid with a suitcase full of banknotes? Receiving money without being exposed to the danger of fraud. Receiving money via Credit Card is surprisingly risky for the merchant. Transferring money internationally without additional costs. Portfolio optimizat…
Even if you strictly “invest” with cryptocurrencies you’re moving money in via fiat, so whomever you do that through also ties you to an address (or omnibus pool while you’re on an exchange).