Glossary › DeFi › EigenLayer

DeFi Intermediate

EigenLayer

Definition

A protocol enabling ETH restaking to secure additional services (AVSs) beyond Ethereum consensus. Restakers earn extra yield while extending Ethereum's security to oracles, bridges, and rollup infrastructure.

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Difficulty

Intermediate

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Category

DeFi

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See Also

8 related

◆ Key Takeaways

1

A protocol enabling ETH restaking to secure additional services (AVSs) beyond Ethereum consensus.

2

Restakers earn extra yield while extending Ethereum's security to oracles, bridges, and rollup infrastructure.

Why It Matters

This is a key building block of decentralized finance. Understanding it helps you navigate DeFi protocols safely, evaluate yield opportunities, and avoid common pitfalls.

Related Terms in DeFi

Decentralized Finance — financial services built on blockchain without traditional intermediaries. Includes lending, borrowing, trading, insurance, and yield generation through smart contracts accessible to anyone with a crypto wallet.

Self-executing code deployed on a blockchain that automatically enforces agreements when predefined conditions are met. The foundation of DeFi, NFTs, and dApps. Ethereum pioneered smart contracts in 2015.

Decentralized Application — an application running on a blockchain network rather than centralized servers. dApps interact with smart contracts and operate without central control. Uniswap and Aave are leading dApps.

Decentralized Exchange — a platform for trading crypto directly from your wallet without intermediaries or KYC. Uses smart contracts and liquidity pools instead of order books. Uniswap, PancakeSwap, and Jupiter are popular DEXs.

Centralized Exchange — a traditional crypto trading platform operated by a company that holds users' funds. Offers higher liquidity and user-friendly interfaces but requires KYC and custody trust. Binance, Coinbase, Kraken.

Automated Market Maker — a DEX mechanism using mathematical formulas and liquidity pools instead of traditional order books. The constant product formula (x*y=k) ensures continuous pricing. Pioneered by Uniswap.

A smart contract holding paired token reserves that enable trading on DEXs. Liquidity providers deposit equal values of two tokens and earn trading fees. The backbone of AMM-based decentralized exchanges.

Liquidity Provider

Someone who deposits tokens into a DEX liquidity pool, enabling trading for others. LPs earn a share of trading fees proportional to their pool contribution but face impermanent loss risk.

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