Exploring the Complexities of Restaking: Risks and Rewards



Terrill Dicki
Jul 16, 2024 10:48

Dive into the intricate world of restaking with a detailed analysis of its risks and rewards across Ethereum and Cosmos ecosystems.



Exploring the Complexities of Restaking: Risks and Rewards

The world of blockchain technology continues to evolve, with restaking emerging as a pivotal concept for enhancing security across multiple networks. According to Galaxy.com, restaking leverages one blockchain’s economic and computational resources to secure multiple blockchains, aiming to create a more unified and efficient security system.

This in-depth report is part two of a three-part series exploring the dynamics of staking, restaking, and liquid restaking. The focus here is on restaking, its mechanics on Ethereum and Cosmos, and the associated risks.

Overview of Restaking

Restaking, though not a new concept, has gained significant traction with implementations in ecosystems like Polkadot, Cosmos, and Ethereum. The idea is to use the stake weight and validator set of one blockchain to secure multiple blockchains, thereby creating a shared security model. This approach aims to optimize resource use and enhance overall network security.

For instance, Ethereum, the most economically secure proof-of-stake (PoS) blockchain, supports restaking through EigenLayer. As of June 2024, Ethereum has over $100 billion in staked ETH across more than a million validators. Restaking protocols have amassed around $20.14 billion in assets, with Ethereum capturing the lion’s share at $19.4 billion.

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Restaking on Ethereum

EigenLayer, a set of smart contracts on Ethereum, enables restaking by allowing Beacon Chain validators to secure external services called Actively Validated Services (AVS). Validators can opt into EigenLayer, subjecting their staked ETH to additional slashing conditions while earning extra rewards.

EigenLayer’s approach is market-driven, allowing AVS to purchase economic security from a subset of Ethereum validators. This flexibility contrasts with Cosmos’ more rigid replicated security model.

Restaking on Cosmos

Cosmos implements restaking through its Cross-Chain Validation (CCV) module, enabling replicated security. This model mandates that a significant portion of Cosmos Hub validators secure consumer chains, effectively copying the validator set across all consumer chains.

While this approach ensures robust security, it also introduces risks related to slashing and stake centralization. Validators must secure consumer chains approved through governance, adding layers of complexity and potential centralization pressures.

Generalized Restaking Protocols

Generalized restaking, or universal restaking, pools assets from multiple chains to secure AVS. Platforms like Picasso and Karak exemplify this approach. Picasso, built using the Cosmos SDK, connects base chains via IBC, while Karak operates through smart contracts across various chains, including Ethereum Layer 2s.

These platforms aim to create a flexible, asset-agnostic restaking system, though they face challenges related to operational complexity and scalability.

Risks and Considerations

Restaking introduces several risks across different stakeholder groups:

  • Base Networks: Slashing events and centralization of stake distribution can undermine base chain security.
  • Node Operators: Operational challenges and the need for streamlined processes for adding/removing AVS can impact performance and profitability.
  • Actively Validated Services: Economic security volatility and the need to incentivize node operators adequately are significant concerns.

Additionally, the influence of airdrop farming and liquidity dynamics pose further challenges. Airdrop farming can inflate restaked asset supply, while restaking may attract liquidity back to Ethereum Layer 1, countering the rollup-centric roadmap.

Conclusion

Restaking represents a crucial development in blockchain security, offering potential benefits in efficiency and unified security. However, the concept is still in its early stages, with many details and implications yet to be fully understood. Future research and experimentation will be essential in refining restaking protocols and addressing the associated risks.

Image source: Shutterstock

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