Paper 2019/341

MixEth: efficient, trustless coin mixing service for Ethereum

István András Seres, Dániel A. Nagy, Chris Buckland, and Péter Burcsi

Abstract

Coin mixing is a prevalent privacy-enhancing technology for cryptocurrency users. In this paper, we present MixEth, which is a trustless coin mixing service for Turing-complete blockchains. MixEth does not rely on a trusted setup and is more efficient than any proposed trustless coin tumbler. It requires only 3 on-chain transactions at most per user and 1 off-chain message. It achieves strong notions of anonymity and is able to resist denial-of-service attacks. Furthermore the underlying protocol can also be used to efficiently shuffle ballots, ciphertexts in a trustless and decentralized manner.

Metadata
Available format(s)
PDF
Category
Cryptographic protocols
Publication info
Preprint. MINOR revision.
Keywords
CryptographyVerifiable shuffleAnonymityCryptocurrencyEthereumCoin mixerState Channel
Contact author(s)
seresistvanandras @ gmail com
History
2019-04-03: received
Short URL
https://ia.cr/2019/341
License
Creative Commons Attribution
CC BY

BibTeX

@misc{cryptoeprint:2019/341,
      author = {István András Seres and Dániel A.  Nagy and Chris Buckland and Péter Burcsi},
      title = {{MixEth}: efficient, trustless coin mixing service for Ethereum},
      howpublished = {Cryptology {ePrint} Archive, Paper 2019/341},
      year = {2019},
      url = {https://eprint.iacr.org/2019/341}
}
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