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An Empirical Analysis of Anonymity in Zcash

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arxiv 1805.03180 v1 pith:A2NPIDK3 submitted 2018-05-08 cs.CR

George Kappos , Haaroon Yousaf , Mary Maller , Sarah Meiklejohn This is my paper · ORCID
classification cs.CR
keywords anonymityzcashpossibletransactionsachievedactsalternativeanalysis
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Among the now numerous alternative cryptocurrencies derived from Bitcoin, Zcash is often touted as the one with the strongest anonymity guarantees, due to its basis in well-regarded cryptographic research. In this paper, we examine the extent to which anonymity is achieved in the deployed version of Zcash. We investigate all facets of anonymity in Zcash's transactions, ranging from its transparent transactions to the interactions with and within its main privacy feature, a shielded pool that acts as the anonymity set for users wishing to spend coins privately. We conclude that while it is possible to use Zcash in a private way, it is also possible to shrink its anonymity set considerably by developing simple heuristics based on identifiable patterns of usage.

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Cited by 1 Pith paper

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  1. Map-Z: Exposing the Zcash Network in Times of Transition

    cs.CR 2019-07 unverdicted novelty 7.0 of 10

    First long-term Zcash network measurement study with a timing-analysis inference method for node interconnections validated at 50% precision and 82% recall.

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