No, nothing will end war ever.
As long as root of evil - money - of any kind exists in our world Wars are meant to happen. Nothing will change it. If you can gain something there will be war.
Most wars are actually caused by and revolve around religion. Even with the lack of money, or the lack of potentially gaining some additional resource many wars that the world has seen would have still taken place.
This is true. Religion has been at least one factor in every war in history and has been a major factor in most wars. Bitcoin potentially replacing fiat is not going to change this