Bitcoin will not accept as a payment of the people who dont know how to use computer or they dont know what of use of it and they not aware on hacking and scamming. So that they scared using of bitcoin they more likely to use fiat money.
Bitcoin is still waiting for the killer app, which would make the underlying details of the transaction irrelevant. People don't know much about TCP/IP, yet they can browse the internet. Bitcoin will have its moment soon.
