This paper is a reasonable attempt to model bitcoin by people who only see the surface of what bitcoin is. Bitcoin is like an Onion- it has layers, and makes you cry. As I have come to understand it there are many layers- both in technology and economics- at work here. Most obvious is layer 2 tech like lightening network, side chains, and segwit. (which is a second layer inside the blockchain.) But as you come to und…
I can buy a coffee with a CC immediately but Bitcoin I need to wait 3 hrs?
The merchant could also let you leave after sending Bitcoin if the risk of double-spending was low enough (and network congestion was down).
Lightning Network will enable instant transactions without needing to wait for block confirmation, which is a true payments solution.