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  1. Home
  2. /Glossary
  3. /Sandwich Attack
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defi

Sandwich Attack

An MEV strategy where a bot places a buy order right before your swap and a sell order right after, profiting from the price impact your trade creates.

Definition

An MEV strategy where a bot places a buy order right before your swap and a sell order right after, profiting from the price impact your trade creates. You end up getting a worse price while the attacker pockets the difference. Using private mempools or MEV-protection tools like Flashbots Protect can help avoid these.

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GuideMEV Guide

Related Terms

MEV (Maximal Extractable Value)

Profit that block producers can extract by reordering, inserting, or censoring transactions.

Front-Running

Placing a transaction ahead of someone else's known pending trade to profit from the price impact.

Slippage

The difference between expected and actual trade execution price.

1inch

A DEX aggregator that splits trades across multiple decentralized exchanges to find the best overall price.

Aave

One of the biggest lending and borrowing protocols in DeFi.

Across Protocol

A cross-chain bridge that uses an optimistic verification system and a network of relayers to move tokens between chains quickly.

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