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EigenLayer is doing something genuinely new. The platform, built as a set of smart contracts on Ethereum, lets validators use their staked ETH to secure multiple protocols at once — not just Ethereum itself.
The concept is called restaking, and it builds directly on what Ethereum set up when it moved to proof of stake back in September 2022. That transition locked in a massive security pool. Right now, over 30 million ETH sits staked on the network. EigenLayer essentially borrows from that pool, extending its protection to other decentralized services that would otherwise have to build their own security from scratch. It’s a pretty clever piece of financial engineering — and it’s pulling in serious capital.
Three Roles, One Security Layer
The mechanics involve three distinct actors. Restakers are the ETH holders who commit their assets to EigenLayer. Operators run the software that makes everything function. And then there are the actively validated services — AVSs — which are the protocols actually consuming that borrowed security.
Each AVS gets to set its own rules. Validation criteria, slashing conditions, reward structures — all defined by the AVS itself. That flexibility is a feature, not a bug. But it also means the security landscape across different services can vary wildly. A restaker supporting five different AVSs is essentially agreeing to five different sets of financial risk. Miss the terms on one, and the slashing penalties can be severe. So operators and restakers have to read the fine print carefully, every single time.
By mid-2026, over 20 AVSs had gone live on EigenLayer. That’s not a trivial number for a protocol that’s still relatively young.
EigenDA and the Cost Reduction Play
One of the biggest AVSs running on EigenLayer is EigenDA, a data availability layer. Rollups — the scaling solutions that process transactions off Ethereum’s main chain — can use EigenDA to cut costs. Instead of paying for Ethereum’s native block space, they tap restaked ETH for data availability. Cheaper, faster, and still backed by serious economic security.
That’s the pitch for AVSs more broadly. Decentralized oracle networks, cross-chain bridges, and similar infrastructure services all need strong economic guarantees to function reliably. Standalone tokens can provide some of that, but they’re fragile — especially for newer projects without deep liquidity. Restaked ETH, backed by 30 million ETH worth of collateral, is a much harder thing to attack economically.
EigenLayer also accepts ERC-20 tokens as restakable assets, not just ETH and its derivatives. That’s a meaningful expansion of the collateral base. More asset types means more participants, more capital, and more flexibility for projects building on top of the system.
Liquid Restaking Adds Complexity
Then there’s the liquid restaking layer. Protocols like Ether.fi, Renzo, Puffer, and Kelp have built on top of EigenLayer, issuing tradable tokens that represent restaked positions. The tokens — eETH, ezETH, pufETH, rsETH — let users stay liquid while still earning restaking yields. They plug directly into broader DeFi, which makes them attractive to a wide range of investors.
But they add risk. Real risk. Each liquid restaking protocol runs its own smart contracts, its own governance, its own potential failure points. Stack a liquid restaking token on top of a restaked position on top of a staked ETH position, and you’ve got multiple layers of contracts, each one a possible point of failure. A bug or exploit at any layer can cascade downward. That’s not hypothetical — it’s a structural reality of how these systems are built.
Still, the capital kept flowing. EigenLayer hit over $15 billion in assets at its peak. That number tells you something about how much appetite there is for yield stacking — the practice of earning returns by securing multiple protocols simultaneously through a single capital deployment.
EigenLayer managed significant data volumes through EigenDA by mid-2026 and kept adding AVSs to its roster. The demand for shared security models is real. Building an independent staking economy from zero is expensive, slow, and uncertain for most new protocols. Borrowing Ethereum’s existing security pool through EigenLayer is faster and cheaper — and for many projects, good enough.
The risks around cascading smart contract failures and variable AVS slashing conditions aren’t going away. Liquid restaking tokens like eETH and ezETH remain composable but complicated. And the modular design of EigenLayer means each new AVS brings its own governance quirks into an already complex system.
At peak, $15 billion in assets under management.
Frequently Asked Questions
How much ETH is currently staked on Ethereum?
Over 30 million ETH is staked on Ethereum, forming the security pool that EigenLayer draws on for its restaking system.
What are the main liquid restaking tokens built on EigenLayer?
Ether.fi, Renzo, Puffer, and Kelp are the key liquid restaking protocols, issuing tokens eETH, ezETH, pufETH, and rsETH respectively to represent restaked positions.
