Would banks and governments actively work and implement countermeasures to undermine this process? Are the underestimating the potential of cryptocurrencies by investing in some of them?
Do you think there is a possibility of cryptocurrencies being banned in the future for the reason of being a threat to "normal" currencies?
Yes it has the potential to overtake fiat because most of the people today are truly interested on investing in cryptocurrency and because of that there is a huge chance for bitcoins to grow further and become the currency nation wide.