&gt; That said, if they could get away form their anti-inflation fanaticism, and find some way to speed up the ledger processing, then the distributed ledger part of bitcoin may have a future.<p>Both issues have been resolved in Ethereum, an alternative cryptocurrency with a market cap second only to Bitcoin itself.<p>So, it can be said that cryptocurrencies indeed solve many problems. What can&#x27;t be said is which cryptocurrency will be the one that ends being used as cash in the long term.