Earlier quoted context omitted.
How is Bitcoin a bad idea, and how do we not know what we are doing?
1. Bitcoin has no rigorous security definition. 2. Bitcoin can be "attacked" (for some vague notion of what it means to attack a system that has no security definition) in polynomial time. 3. The economics of Bitcoin are extremely suspect and based on a poorly developed economic model, supported by neither the Austrian school nor by modern monetary theory. This is probably the underlying cause of the lack of a securi…
4. Bitcoin is inherently deflationary, which is an awful idea if you talk to anyone who knows anything about money
5. Bitcoin is fundamentally backed by pointlessly wasting CPU cycles and wasting energy trying to reverse hashes.