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Paper 2021/1628

SoK: Mitigation of Front-running in Decentralized Finance

Carsten Baum and James Hsin-yu Chiang and Bernardo David and Tore Kasper Frederiksen and Lorenzo Gentile

Abstract

Front-running is the malicious, and often illegal, act of both manipulating the order of pending trades and injecting additional trades to make a profit at the cost of other users. In decentralized finance (DeFi), front-running strategies exploit both public knowledge of user trades from transactions pending on the network and the miner's ability to determine the final transaction order. Given the financial loss and increased transaction load resulting from adversarial front-running in decentralized finance, novel cryptographic protocols have been proposed to mitigate such attacks in the permission-less blockchain setting. We systematize and discuss the state-of-the-art of front-running mitigation in decentralized finance, and illustrate remaining attacks and open challenges.

Note: Under submission.

Metadata
Available format(s)
PDF
Category
Applications
Publication info
Preprint. MINOR revision.
Keywords
front-runningminer extractable valuedecentralized finance
Contact author(s)
cbaum @ cs au dk
jchi @ dtu dk
bernardo @ bmdavid com
tore frederiksen @ alexandra dk
lorg @ itu dk
History
2022-07-19: last of 5 revisions
2021-12-17: received
See all versions
Short URL
https://ia.cr/2021/1628
License
Creative Commons Attribution
CC BY
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