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Sybil attack

Sybil attack

A Sybil attack is an attack on a peer-to-peer network performed by a single entity generating and acting as multiple fake digital identities.

Sybil attack happens when a single attacker takes control of multiple nodes on a network. Since it is a decentralized network, no one would know that the nodes are being controlled by the same attacker. Such an act would subvert the reputation system of the peer-to-peer network because it allows them to gain a disproportionately large influence.

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