The anonymous and open nature of the P2P file sharing system enable nodes spread inauthentic even harmful files in the network easily which harms the robustness of the P2P system.

• 摘要P2P系统具有开放性和匿名性，这就使得恶意节点能够轻易地在网络中传播虚假的甚至有害的文件，从而损害了整个P2P系统的鲁棒性。