Bitcoin is actually considered as digital money. It has value but its role is quite different from physical money. It could be a currency in the future but it doesn't mean that t will be replacing any currency. We only need adoption and acceptance to make it the most valued currency.
the lack of bitcoin is the absence of physical form, bitcoin is becoming a digital form that is currently still being questioned by many people. so I think right now bitcoin is still a stranger to things commonly used but in the future bitcoin will still be useful and have value.