Abstract
Efficient broadcasting is critical for timely propagation of transactions and blocks to the network in blockchain systems. Existing blockchain networks are usually characterized by a high communication overhead and redundant traffics which adversely impact the transaction/block latency and security. In the networking community, remarkable progresses have been made in past decades on network efficiency. In particular, information-centric networking (ICN) has been considered a promising approach for network efficiency and robustness by shifting from traditional host-centric paradigm to the content-centric paradigm. However, direct marriage between blockchain and ICN does not yield a satisfying solution due to various security gaps. In this paper, we make the first attempt to integrate the two by introducing a new blockchain network technique called Anchor based on an ICN technique - named-data networking (NDN). By tailoring NDN and cascading two NDN systems, we demonstrate an efficient yet secure solution for data propagation in blockchain systems. Simulation shows that Anchor consumes less bandwidth and has a lower transaction/block latency as compared to the Bitcoin flooding network and a recent technique Erlay.
Effort sponsored by the Air Force under MOU FA8750-15-3-6000. The U.S. Government is authorized to reproduce and distribute copies for Governmental purposes notwithstanding any copyright or other restrictive legends.
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© 2021 ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
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Yu, S., Ahmed, N., Wang, R. (2021). Anchor: An NDN-Based Blockchain Network. In: Chen, B., Huang, X. (eds) Applied Cryptography in Computer and Communications. AC3 2021. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 386. Springer, Cham. https://doi.org/10.1007/978-3-030-80851-8_1
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DOI: https://doi.org/10.1007/978-3-030-80851-8_1
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