yes you are right cryptocurrency is very great but there are still few people who know the advantages and ways of using bitcoin for transactions because this is a digital currency and people who are very old will certainly be difficult to use bitcoin.
That's the problem the venue of potentials users needs to learned digital system, most of those older businessman will prefer to stay with there well known system, it's already mainstream but the adoptions are still holding back we needed to have good and much well explained campaign to gather more end users, still a questions of potentials and how people who hear about this system will act and take there actions.