
Originally Posted by
John2
You're asking how YouTube works in 1997.
Video streaming was technically possible in 1998, and a small number of enthiasts did it, but it took many years for adoption and infrastructure to get to the point where it became mainstream.
BTC has a new payment network called the lightning network in its early stages, which is one of a number of technologies that will facilitate the sort of transaction you describe. It will be very easy to do, you'll probably use your phone and it will work much like a contactless payment.