A Simulation Model for Analysis of Attacks on the Bitcoin Peer-to-Peer Network

被引:0
|
作者
Neudecker, Till [1 ]
Andelfinger, Philipp
Hartenstein, Hannes
机构
[1] Karlsruhe Inst Technol, Inst Telemat, Karlsruhe, Germany
关键词
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中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
We present a simulation model of the Bitcoin peer-to-peer network, a widely deployed distributed electronic currency system. The model enables evaluations of the feasibility and cost of attacks on the Bitcoin network at full scale of 6,000 nodes. The simulation model is based on unmodified code from core segments of the Bitcoin reference implementation used by 99% of nodes. Parametrization of the model is performed based on large-scale measurements of the real-world network. We present preliminary validation results showing a reasonable correspondence of the propagation of messages in the Bitcoin network compared with simulation results. We apply the model to study the feasibility of a partitioning attack on the network and show that the attack is sensitive to the churn of the attacking nodes.
引用
收藏
页码:1327 / 1332
页数:6
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