【Author】
Wu, Jiajing; Liu, Jieli; Zhao, Yijing; Zheng, Zibin
【Source】JOURNAL OF NETWORK AND COMPUTER APPLICATIONS
【Abstract】As one of the most important and famous applications of blockchain technology, cryptocurrency has attracted extensive attention recently. Empowered by blockchain technology, all the transaction records of cryptocurrencies are irreversible and recorded in blocks. These transaction records containing rich information and complete traces of financial activities are publicly accessible, thus providing researchers with unprecedented opportunities for data mining and knowledge discovery in this area. Networks are a general language for describing interacting systems in the real world, and a considerable part of existing work on cryptocurrency transactions is studied from a network perspective. This survey aims to analyze and summarize the existing literature on analyzing and understanding cryptocurrency transactions from a network perspective. Aiming to provide a systematic guideline for researchers and engineers, we present the background information of cryptocurrency transaction network analysis and review existing research in terms of three aspects, i.e., network modeling, network profiling, and network-based detection. For each aspect, we introduce the research issues, summarize the methods, and discuss the results and findings given in the literature. Furthermore, we present the main challenges and several future directions in this area.
【Keywords】Cryptocurrency; Blockchain; Transaction records; Complex networks; Data mining
【摘要】加密货币作为区块链技术最重要和著名的应用之一，近年来引起了广泛的关注。在区块链技术的授权下，所有加密货币的交易记录都是不可逆的，并以块的形式记录。这些包含丰富信息和完整的金融活动痕迹的交易记录是公开的，这为研究人员在这一领域进行数据挖掘和知识发现提供了前所未有的机会。网络是描述现实世界中交互系统的通用语言，现有加密货币交易的相当一部分工作都是从网络的角度进行研究的。本调查旨在分析和总结现有的从网络角度分析和理解加密货币交易的文献。本文介绍了加密货币交易网络分析的背景信息，并从网络建模、网络剖析和基于网络的检测三个方面综述了现有的研究成果，旨在为研究人员和工程师提供系统的指导。对于每一个方面，我们都介绍了研究的问题，总结了方法，并讨论了文献中给出的结果和发现。此外，我们提出了该领域的主要挑战和几个未来的方向。
【关键词】加密数字货币;区块链;交易记录;复杂网络;数据挖掘
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