Yes i think that it will become a currency in physical along with fiat currencies it has the pontetial
I agree with you although it will be difficult for become currency because there are not many people know about bitcoin,
right now bitcoin is still be considered as new gold in internet than currency, bitcoin is still has problem with block size and
it is not suitable be used for payment transaction method.
no you were wrong about that ,
bitcoin more than suitable used as payment processor ,
it has fast transaction , most secure payment method , low fee and easy to use ,
and online transaction actually the market target .