Bitcoin will only become more and more accessible the future as time goes on. I walked into a corner store yesterday in the hood and their was a bitcoin kiosk inside. One of the main draws of bitcoin/ crypto is that you don't need an account or any affiliation with a bank to store your funds. This is a major advantage for people in 3rd world countries for whom banking can be very difficult for. Their may be future regulations and possibly taxes on bitcoin investment returns or money transfers but as far as accessibility there will only be growth and better ease of access.