What are the barriers to adopting cryptocurrencies, and what will be the most popular use cases for them in the next five to ten years? Science fiction didn’t quite anticipate the evolution of computer technology. What you want is not always what will need. Disruptive technology breaks down previously existing categories and create new ones that didn’t exist before. Bitcoin is changing our conception of what a payment is and can do. What is the “streaming money” use case? There will be a transition changes the time dimension of money, from batches to flows.