Looking the graph below, what type of an attack is this likely?
A) 51% Attack
B) P+ Epsilon Attack
C) Blacklisting
D) Selfish Mining Attack

Question

Looking the graph below, what type of an attack is this likely? 
A) 51% Attack 
B) P+ Epsilon Attack 
C) Blacklisting 
D) Selfish Mining Attack

Quizplus · Accepted Answer

A proof of work system is vulnerable to a particular type of attack called the "P+ epsilon attack". In order to understand how this attack works we must define some terms before hand. Un-Coordinated Choice Model: An uncoordinated choice model is a model where all the participants don't have the incentive to work with one another. The participants may form groups but at no time is the group big enough to become a majority.

Looking the Graph Below, What Type of an Attack Is