Cryptology ePrint Archive: Report 2020/1607

Manta: Privacy Preserving Decentralized Exchange

Shumo Chu and Qiudong Xia and Zhenfei Zhang

Abstract: Cryptocurrencies and decentralized ledger technology has been widely adopted over the last decades. However, there isn’t yet a decentralized exchange that protects users’ privacy from end to end. In this paper, we construct the first ledger-based decentralized token exchange with strong privacy guarantees. We propose the first Decentralized Anonymous eXchange scheme (DAX scheme) based on automated market maker (AMM) and zkSNARK and present a formal definition of its security and privacy properties.

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Date: received 24 Dec 2020

Contact author: shumo chu at acm org

Available format(s): PDF | BibTeX Citation

Version: 20201227:132001 (All versions of this report)

Short URL: ia.cr/2020/1607