First long-term Zcash network measurement study with a timing-analysis inference method for node interconnections validated at 50% precision and 82% recall.
An Empirical Analysis of Anonymity in Zcash
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abstract
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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cs.CR 1years
2019 1verdicts
UNVERDICTED 1representative citing papers
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Map-Z: Exposing the Zcash Network in Times of Transition
First long-term Zcash network measurement study with a timing-analysis inference method for node interconnections validated at 50% precision and 82% recall.