I would like to know if cryptocurrency will replace fiat money in the future, also if so how long it will likely take. Also, I would like to know which coin you think would take over if one will. (E.G. Dogecoin, BTG, LTC, XMR)
No its impossible to happen that bitcoin or other crypto currency will replace fiat.. thats impossible to be happen.. It is too soon to tell as bitcoin is still in its infancy stage
and has yet to become mainstream and adopted by the
public.
I don't think it will replace fiat currency in at least 10 years
or more. We still have a lot to achieve and I believe this is
only the beginning of a revolution.
Well i think bitcoin will not become mainstream in terms of payment processor since bitcoin is not reversible there other people wanted to be safe in buying online .. There are pros and cons of using bitcoin and other people like to use paypal as payment mode because of reversible policy.... and has yet to become mainstream and adopted by the
public.
I don't think it will replace fiat currency in at least 10 years
or more. We still have a lot to achieve and I believe this is
only the beginning of a revolution.
Well i guess its YES 
but it will takes many many years before its all implemented in all over the country.
No it will not happen even in the future.. but it will takes many many years before its all implemented in all over the country.