Sybil attack

The term Sybil attack is often used to refer to every attack in which the attacker creates many fake (puppet) profiles and use them in a coordinated way to achieve some goal. ‘Sybil’ was the first person diagnosed with so-called ‘Multiple Personality Disorder’. The term "Sybil attack" was first used in

shows that global trust metrics are inherently attackable under the Sybil attack while local trust metrics can be attack-resistant.