Zerocoin: Anonymous Distributed E-Cash from Bitcoin

Miers, Ian and Garman, Christina and Green, Matthew and Rubin, Aviel D. (2013) Zerocoin: Anonymous Distributed E-Cash from Bitcoin. In: 2013 IEEE Symposium on Security and Privacy.

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Abstract

Bitcoin is the first e-cash system to see widespread adoption. While Bitcoin offers the potential for new types of financial interaction, it has significant limitations regarding privacy. Specifically, because the Bitcoin transaction log is completely public, users' privacy is protected only through the use of pseudonyms. In this paper we propose Zerocoin, a cryptographic extension to Bitcoin that augments the protocol to allow for fully anonymous currency transactions. Our system uses standard cryptographic assumptions and does not introduce new trusted parties or otherwise change the security model of Bitcoin. We detail Zerocoin's cryptographic construction, its integration into Bitcoin, and examine its performance both in terms of computation and impact on the Bitcoin protocol.

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: 09 Sep 2019 15:25
Last Modified: 09 Sep 2019 15:25
URI: http://blossom.informatik.uni-rostock.de/id/eprint/103

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