I was just having this conversation with a friend of mine the other day. Imagine companies we all know jumping onboard the cryptosphere for the purpose of customer rewards. One day we're using our credit card on the Apple Store, then one day it's suddenly through the use of Applecoins. I see things headed in this direction. Here's an excellent article:
Its one thing to write the research paper, and it's entirely another thing to build a product. Here comes the showstopper https://retainly.co/collie