Information
What Is MEV in DeFi?
Maximal extractable value (MEV) refers to value that can be captured by influencing transaction ordering or inclusion in block production. Learn the basics and how transaction ordering can affect users.
Transaction ordering
Blockchain transactions are ordered into blocks. Depending on the protocol and market, ordering can affect execution prices and create opportunities for third parties.
Potential user impact
Some ordering strategies may worsen a trader’s execution or create additional costs. The impact depends on network conditions, transaction type, and the systems involved.
Practical precautions
Review quotes and slippage settings, avoid signing unexpected transactions, and learn how the wallet or interface handles transaction submission. No single setting eliminates every MEV-related risk.
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