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Computer Science > Cryptography and Security

arXiv:2307.03480 (cs)
[Submitted on 7 Jul 2023]

Title:Improving Bitswap Privacy with Forwarding and Source Obfuscation

Authors:Erik Daniel, Marcel Ebert, Florian Tschorsch
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Abstract:IPFS is a content-addressed decentralized peer-to-peer data network, using the Bitswap protocol for exchanging data. The data exchange leaks the information to all neighbors, compromising a user's privacy. This paper investigates the suitability of forwarding with source obfuscation techniques for improving the privacy of the Bitswap protocol. The usage of forwarding can add plausible deniability and the source obfuscation provides additional protection against passive observers. First results showed that through trickle-spreading the source prediction could decrease to 40 %, at the cost of an increased content fetching time. However, assuming short distances between content provider and consumer the content fetching time can be faster even with the additional source obfuscation.
Comments: short paper, 4 pages, accepted as a short paper at 2023 IEEE 48th Conference on Local Computer Networks (LCN)
Subjects: Cryptography and Security (cs.CR)
Cite as: arXiv:2307.03480 [cs.CR]
  (or arXiv:2307.03480v1 [cs.CR] for this version)
  https://doi.org/10.48550/arXiv.2307.03480

Submission history

From: Erik Daniel [view email]
[v1] Fri, 7 Jul 2023 09:37:58 UTC (309 KB)
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