@inproceedings{119435d5bb994c62ac08f93f9be10c6d,
title = "Analysis of Tainted Transactions in the Bitcoin Blockchain Transaction Network",
abstract = "Blockchain technology, with its decentralised peer-to-peer network and cryptographic protocols, has led to a proliferation of cryptocurrencies, with Bitcoin at the forefront. The blockchain publicly records all Bitcoin transactions which can be used to build a dynamic and complex network to give a representation of the transactions in the underlying monetary system. Despite the cryptographic guarantees there exist inconsistencies and suspicious behavior in the chain. We reported on two such anomalies related to block mining in previous work. In this paper, we build a network using bitcoin transactions and apply techniques from network science to analyse its complex structure. We focus our analysis on sub-networks induced by the two sets of anomalies, and investigate how inequality in terms of wealth and anomaly fraction evolves from the blockchain{\textquoteright}s origin. Thereby we present a novel way of using network science to detect and investigate cryptographic anomalies.",
keywords = "Bitcoin, Blockchain, Cryptography, Transaction network",
author = "Mar{\'i}a {\'O}skarsd{\'o}ttir and Jacky Mallett and Arnarson, \{A. L.\} and Stef{\'a}nsson, \{Alexander Sn{\ae}r\}",
note = "Publisher Copyright: {\textcopyright} 2021, The Author(s), under exclusive license to Springer Nature Switzerland AG.; 9th International Conference on Complex Networks and their Applications, COMPLEX NETWORKS 2020 ; Conference date: 01-12-2020 Through 03-12-2020",
year = "2021",
doi = "10.1007/978-3-030-65351-4\_46",
language = "English",
isbn = "9783030653507",
series = "Studies in Computational Intelligence",
publisher = "Springer Science and Business Media Deutschland GmbH",
pages = "571--581",
editor = "Benito, \{Rosa M.\} and Chantal Cherifi and Hocine Cherifi and Esteban Moro and Rocha, \{Luis Mateus\} and Marta Sales-Pardo",
booktitle = "Complex Networks and Their Applications IX - Volume 2, Proceedings of the Ninth International Conference on Complex Networks and Their Applications COMPLEX NETWORKS 2020",
address = "Germany",
}