Given that Bitcoin is considered a store of value, can you use a cryptocurrency that can guarantee day-to-day usability? How to go to bakeries, fill up the car, travel, etc? Do you know any coins like this?
Cryptocurrency is yet to attain that height at which it would be used for mundane transactions, the best we have now is for a cryptocurrency to be accepted by individual merchants. Some merchants have built a system at which cryptos could be readily converted to fiat without barriers and as such accepts a wide range of cryptocurrencies.