bitcoin and a number of other digital currencies will one day replace the position of banknotes as a medium of exchange. The reason is that this currency can correct problems that exist in paper currency, and indeed in history, the same thing always happens to new currencies that replace old currencies.
but how do you think
but how do you think
Exactly, there are many problems in paper/physical currency and governments have implememted limitations by many ways on fiat money.
So, people can clearly point out which currency to prefer for their future use and opt bitcoin as their primary currency and this act will gradually replace paper money