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JohnMoyer

Cite as: arXiv:2308.02202 [cs.CR]
(or arXiv:2308.02202v2 [cs.CR] for this version)

doi.org/10.48550/arXiv.2308.02

[Submitted on 4 Aug 2023 (v1), last revised 7 Aug 2023 (this version, v2)]
SoK: The Ghost Trilemma
S.Mukherjee, S.Ravi, P.Schmitt, B.Raghavan
Trolls, bots, and sybils distort online discourse and compromise the security of networked platforms.

arXiv.orgSoK: The Ghost TrilemmaTrolls, bots, and sybils distort online discourse and compromise the security of networked platforms. User identity is central to the vectors of attack and manipulation employed in these contexts. However it has long seemed that, try as it might, the security community has been unable to stem the rising tide of such problems. We posit the Ghost Trilemma, that there are three key properties of identity -- sentience, location, and uniqueness -- that cannot be simultaneously verified in a fully-decentralized setting. Many fully-decentralized systems -- whether for communication or social coordination -- grapple with this trilemma in some way, perhaps unknowingly. In this Systematization of Knowledge (SoK) paper, we examine the design space, use cases, problems with prior approaches, and possible paths forward. We sketch a proof of this trilemma and outline options for practical, incrementally deployable schemes to achieve an acceptable tradeoff of trust in centralized trust anchors, decentralized operation, and an ability to withstand a range of attacks, while protecting user privacy.
#AI#trolls#bots