Tim Knowles 1. that’s exactly my point. You don’t see the transaction fees buried in a credit card transaction because people don’t even know they are being charged. When you use cash, you don’t pay any fees. The cash back you are referring to is a form of giving you some of the fees already charged to you back. All this is truly invisible and you have to go beyond the surface to understand.
2. Smart contracts apply to all contracts.
3. While you may not use foreign exchange, Millions of people do a daily basis with trillions of dollars transferred.
4. Blockchain is just an idea around which there is a lot of excitement. The hype is around imagining a future where it becomes mainstream. Bitcoin is not synonymous with Blockchain. It is just an Application.