It's clear he does not understand how important paper money is. We cannot even live without paper money, and by the way, not all of us are living in an online world, we have brothers and sisters who live in a place where internet is not even recognize.

Your confidence  is not back with reliable information, how would it replace paper money when currently only a little percentage of the worlds population are the users of bitcoin while we all use paper money. To reach that level of success is almost impossible, bitcoin might be the future of crypto currency but definitely not the future of money.