EigenLayer
Re-staking & protocol services

EigenLayer

EigenLayer unlocks new security and economic primitives via permissionless restaking. Protocols can inherit security from existing validator capital, enabling modular services and stronger on-chain guarantees.

Official site: https://www.eigenlayer.example.com/

Restaking Infrastructure

Securely re-use staked validator capital to underwrite new services — no new capital required. Restakers opt-in to provide slashing guarantees to third-party modules.

Modular Protocol Services

EigenLayer enables services like oracles, data availability, fraud proofs, and more — all able to leverage shared security and economic incentives.

Permissionless Innovation

Anyone can deploy a service and request security from restakers. This reduces barriers to entry for decentralized infrastructure and composable primitives.

“EigenLayer opened an architectural path to secure L2 services while re-using existing staked capital.”

— Protocol Architect

“Restaking allowed our oracle to obtain higher guarantees without locking fresh funds from users.”

— Dev Team Lead

“The permissionless model drives fast experimentation — great for modular DeFi and infrastructure.”

— Researcher

What is EigenLayer and why re-staking matters?

EigenLayer is a protocol concept and infrastructure layer that expands the utility of staked capital by enabling validators (or stakers) to opt into additional services — commonly described as restaking. Instead of requiring new, separate economic backing for every emerging decentralized service, EigenLayer lets existing staked assets be re-used to secure additional modules. This simple shift unlocks a multiplier on security capital across the ecosystem and reduces the friction for deploying critical infrastructure services.

At its core, EigenLayer separates the concerns of stake and service. Validators stake to a base chain for consensus, and then voluntarily restake or delegate a portion of that security to third-party services that require slashing-based guarantees. Those services can be oracles, data availability networks, fraud detection systems, or any protocol that benefits from an enforceable economic deterrent.

The advantages are clear: projects can obtain stronger guarantees without onboarding new long-term capital; stakers can earn incremental yield by opting into trusted services; and the blockchain ecosystem gains a modular substrate for composability. The model also supports permissionless innovation — anyone can propose a service and offer staking hooks to attract economic backing.

EigenLayer's architecture emphasizes flexible governance, transparent slashing rules, and monitoring tools so restakers can assess risk. Designing sound incentive alignment and clear safety parameters is critical: slashing must be predictable and proportional, and services must be auditable. Because restakers reuse capital already committed to consensus, they accept correlated risk — which demands careful tooling and observability.

From an economic perspective, restaking increases capital efficiency. Rather than fragmenting security across isolated projects, the ecosystem pools trust and creates network effects. Protocols that would otherwise struggle to secure sufficient capital can now bootstrap with shared security, accelerating deployment of foundational infrastructure that benefits many protocols.

EigenLayer also opens interesting research directions: new slashable conditions for specialized services, insurance primitives built on restaked capital, and reputation systems for service operators. Combined, these enable complex economic products — like delegated security markets, dynamic staking auctions, and cross-service insurance — all leveraging the same locked stake.

In practice, successful adoption requires mature developer tooling, clear operator incentives, and strong community governance. Documentation, risk dashboards, and test-nets help restakers evaluate potential slashing surface area. As the ecosystem matures, modular stacks built on EigenLayer-style restaking will likely power many next-generation decentralized systems.

For builders and stakers alike, EigenLayer represents a pragmatic way to scale security and innovation. By converting static stake into a flexible resource, it enables new services to emerge quickly without diluting economic protection — a meaningful step toward a more composable, secure, and capital-efficient Web3 infrastructure.

Learn more: Official DocsDeveloper GuideCommunity Forum

Quick Docs