- Fixed supply is not a "problem built-in", it a a feature - Yes, it can be used as a medium of exchange using the lightning network - The blockckain is ineffic

- Fixed supply is not a "problem built-in", it a a feature - Yes, it can be used as a medium of exchange using the lightning network - The blockckain is inefficient but it was not built for efficiency but to solve the trust problem in a trust-less network. and so on...