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  1. Home
  2. /Glossary
  3. /Oracle Manipulation
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defi

Oracle Manipulation

An attack where a hacker manipulates the price data that oracles feed to smart contracts.

Definition

An attack where a hacker manipulates the price data that oracles feed to smart contracts. By artificially inflating or deflating prices on low-liquidity markets, attackers can trick DeFi protocols into thinking assets are worth more or less than they actually are, enabling profitable exploits.

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Related Terms

Oracle

A service that brings external data onto the blockchain.

Flash Loan

An uncollateralized loan that must be borrowed and repaid within a single blockchain transaction.

Reentrancy Attack

A smart contract vulnerability where an attacker calls back into the vulnerable contract before the first function call finishes, draining funds repeatedly.

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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