Transactions in legal tender do not necessarily require any internet connection. But unlike legal tender, Bitcoin is necessarily associated with the internet. So, even maximum possible transactions in the digital currency are bound to be less than legal tender, at least in foreseeable future. However, as a medium of exchange and fund transfer, Bitcoin enjoys some distinct advantages over fiat money.
Here is an article on the
future of bitcoin. Would like to have community feedback on it...
Being able to easily transact without an internet connection is one of the advantages of cash over BTC at the moment, IMO. It is a huge advantage of BTC to be able to make large transaction with BTC without suitcases full of cash though...