Has anyone wargamed a 51% attack on Bitcoin? How would it go down. What defensive measures could be taken.
When we are talking about a 51% attack, bitcoin first line of defense is something a lot of people ads discussing recently: mining energy consumption.
To be able to hold a 51% attack for long, the attacker would spend more energy than many countries combined. This kind of attack is almost impossible to have any success with the current bitcoin network hashrate.