Kappos, George and Yousaf, Haaroon and Maller, Mary and Meiklejohn, Sarah (2018) An Empirical Analysis of Anonymity in Zcash. In: USENIX Security Symposium 2018.
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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.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Subjects: | Main Topics > Bitcoin Projects > BloSSom 2019 Main Topics > Crypto Currency Main Topics > Privacy Main Topics > Security |
| Divisions: | Computer Science |
| Depositing User: | Unnamed user with email richard.dabels@uni-rostock.de |
| Date Deposited: | 03 Sep 2019 16:33 |
| Last Modified: | 03 Sep 2019 16:33 |
| URI: | http://blossom.informatik.uni-rostock.de/id/eprint/17 |
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