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RISKS & SECURITY

Front-running (Transaction Front-running)

Definition

Front-running occurs when someone observes a pending transaction and places their own transaction with higher gas fees to execute first, profiting from the predictable price movement.

Example

💡 Example

A bot sees your DEX trade in the mempool and submits the same trade with higher gas fees to execute first and profit from the price movement.

Risks to Consider

⚠️ Risks
  • Lost profits
  • Higher costs
  • Unfair advantages

Related Terms