[Resource Topic] 2019/341: MixEth: efficient, trustless coin mixing service for Ethereum

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Title:
MixEth: efficient, trustless coin mixing service for Ethereum

Authors: István András Seres, Dániel A. Nagy, Chris Buckland, 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.

ePrint: https://eprint.iacr.org/2019/341

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