EigenLayer is a smart contract protocol on Ethereum built by Eigen Labs, founded by Sreeram Kannan. It introduces restaking — the ability to use staked ETH as cryptoeconomic security for protocols beyond Ethereum itself. By 2024, EigenLayer had grown to over $15 billion in total value locked, becoming one of the largest DeFi protocols by TVL and spawning an entirely new category: Liquid Restaking Tokens (LRTs).
Founding and Team
Sreeram Kannan — Founder and CEO. Professor of Electrical Engineering at the University of Washington. His research background is in information theory and coding theory. He conceived EigenLayer as an application of information-theoretic security ideas to blockchain economics.
Eigen Labs — The organization developing EigenLayer. Raised over $100 million in venture capital, including a $50M Series A (2023) led by a16z Crypto.
Core Architecture
Three Actors in EigenLayer
| Actor | Role |
|---|---|
| Restakers | Deposit staked ETH or LSTs; delegate to operators; earn AVS rewards |
| Operators | Run additional software for AVSs; hold delegated restake; subject to slashing |
| AVSs (Actively Validated Services) | Protocols that pay for restaked security |
How Security Flows
“`
Staker deposits 32 ETH → Ethereum validator → opts into EigenLayer →
delegates to Operator → Operator runs AVS software →
AVS pays rewards → Operator slashable if they cheat AVS
“`
Slashing Contracts — AVSs define their own slashing conditions via smart contracts registered with EigenLayer. If an Operator violates an AVS rule, the AVS can trigger a slash on the Operator’s restaked ETH.
Key Products
EigenDA — EigenLayer’s flagship AVS: a data availability layer. EigenDA operators store data off-chain and are slashable if they fail to provide data on demand. EigenDA competes with Celestia and Avail as a modular DA solution for rollups, with the advantage of being secured by ETH restaking.
EIGEN Token — The protocol’s native token. Initially launched as non-transferable and with geographic restrictions on the airdrop, causing controversy. EIGEN is designed as a “universal intersubjective work token” — used for staking on AVSs that require off-chain agreement rather than on-chain proof.
Timeline
| Date | Event |
|---|---|
| 2021 | Sreeram Kannan publishes early EigenLayer concept |
| Mar 2023 | EigenLayer phase 1 mainnet: LST restaking with deposit caps |
| Sep 2023 | Phase 2: native ETH restaking (validator withdrawal credential delegation) |
| Feb 2024 | Deposit caps lifted; $6B+ TVL reached in days |
| Apr 2024 | EIGEN token announced with controversial airdrop design |
| Apr 2024 | EigenDA mainnet launch |
| Jun 2024 | Slashing not yet live (“Stage 1” — operators trusted, not yet cryptoeconomically enforced) |
| 2024 | First wave of AVSs launch: Lagrange, AltLayer, Hyperlane, eOracle, Witness Chain |
Controversy
Slashing not live at launch: EigenLayer launched with billions in restaked ETH but slashing conditions were not enforced on mainnet initially — meaning “restaked security” was trust-based during early stages.
EIGEN airdrop: Initial design made EIGEN non-transferable, excluded US and several other countries, and had low percentage going to community. Multiple program revisions followed.
Vitalik’s warning: Vitalik Buterin published a post warning that AVSs should not rely on Ethereum’s social layer (informal consensus) for conflict resolution, as this would “overload Ethereum’s consensus.”
LRT systemic risk: Third-party liquid restaking protocols (Ether.fi, Renzo, Kelp) built on top of EigenLayer, creating multi-layer leverage structures that regulators and researchers flagged as potential systemic risk.
How to Use EigenLayer
- Hold ETH, stETH, rETH, cbETH, or other approved LSTs
- Visit app.eigenlayer.xyz
- Deposit LSTs into EigenLayer restaking contracts
- Delegate restaked position to a Node Operator
- Earn staking yield (from original ETH stake) + AVS rewards (from EigenLayer)
Alternatively: buy a Liquid Restaking Token (eETH, ezETH, rsETH) from Ether.fi, Renzo, or Kelp — these handle EigenLayer restaking automatically and issue a tradeable token.
Social Media Sentiment
EigenLayer was the dominant narrative in Ethereum DeFi in 2023–2024. “Points farming” for the EIGEN airdrop drove billions in deposits. Post-airdrop sentiment cooled significantly as EIGEN’s tokenomics disappointed many airdrop hunters. Long-term institutional interest remains strong — the AVS ecosystem and EigenDA continue to attract development activity. LRT protocol drama (de-pegs, token disputes) also generated negative sentiment spillover.
Last updated: 2026-04
Related Terms
Sources
Kannan, S. (2023). EigenLayer: The Restaking Collective. EigenLayer Whitepaper.
Buterin, V. (2023). Don’t overload Ethereum’s consensus. Ethereum Research Forum.
Heimbach, L., & Wattenhofer, R. (2023). Risks and Opportunities of Ethereum Restaking. arXiv.
a16z Crypto. (2023). Why We’re Investing in EigenLayer. a16z Blog.
Gogol, K., et al. (2024). Shared Security in Proof-of-Stake Networks. IEEE Blockchain.