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논문 기본 정보

자료유형
학술대회자료
저자정보
Soo Hoon Maeng (Keimyung University) Meryam Essaid (Keimyung University) Hong Taek Ju (Keimyung University)
저널정보
한국통신학회 한국통신학회 APNOMS 한국통신학회 APNOMS 2020
발행연도
2020.9
수록면
203 - 207 (5page)

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초록· 키워드

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Ethereum is arguably the second most popular cryptocurrency-based network after Bitcoin, both make use of the distributed ledger technology known as blockchain. The blockchain-based networks are considered to be secure, but the level of provided security is proportional to the number of connected nodes, the number of influential nodes and the supported amount of hash power. Thus, the knowledge of the network properties and nodes behavior is useful to protect the network from the possible attacks such as double spending attacks, DDoS attacks, 51% attacks, and Sybil attacks. In this paper, we propose nodes discovery mechanism, which performs a P2P links discovery on Ethereum main-network. For that, we developed the Search-node, a modified version of Ethereum Client that search for all participating nodes in the network, store the nodes identification in the Bucket, and then process the peer discovery method. We analyze the collected data to discover the relationship between nodes, heavily-connected nodes, nodes geo-distribution and provide network snapshots, as well as some data related to security issues and possible attacks over the influential nodes. Our results show that approximately 300,000 nodes are connected over Ethereum network, and among these roughly 139 nodes show a high-degree.

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Abstract
I. INTRODUCTION
II. RELATED WORK
III. NODE SEARCH METHOD AND EXPERIMENT METHOD
IV. NODE SEARCH RESULTS AND IMPACT ANALYSIS
V. CONCLUSION
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