See directly it is impossible for us to convert them into cash, for that, a cryptocurrency needs to get approvals from the government sectors. But we can easily convert them to other cryptocurrencies and we have to find the other sources in order to convert them to the fiat currency.
Some stores accept cryptocurrencies, in several countries you can pay for the passage of cryptocurrencies.
Well, these are single cases. Not all gotors accept cryptocurrencies as the main payment for their services or goods.