Liquid Staking

What Is Liquid Staking?

Liquid staking is a mechanism that allows users to stake their crypto assets for network validation while receiving a liquid derivative token in return. This derivative -- such as stETH from Lido or rETH from Rocket Pool -- represents the staked position and can be freely traded, transferred, used as collateral, or deployed across DeFi applications. Liquid staking solves the fundamental liquidity problem of traditional staking, where assets are locked and inaccessible for extended periods.

Since its emergence, liquid staking has become one of the largest DeFi categories by total value locked, with tens of billions of dollars staked through liquid staking protocols on Ethereum alone.

How Liquid Staking Works

The process begins when a user deposits native tokens -- most commonly ETH -- into a liquid staking protocol. The protocol delegates these tokens to a distributed set of validators who perform the actual proof-of-stake validation work. In exchange for the deposit, the protocol mints a liquid staking token (LST) that the user receives in their wallet.

This LST accrues staking rewards over time. There are two common models for how this works:

Rebasing tokens like Lido's stETH automatically increase in quantity in the holder's wallet. If you hold 10 stETH today, you might hold 10.005 stETH tomorrow as staking rewards accrue.

Value-accruing tokens like Rocket Pool's rETH maintain a constant token count but increase in value relative to the underlying asset. One rETH might be worth 1.05 ETH today and 1.06 ETH next month, with the difference representing accumulated rewards.

Both models deliver the same economic outcome -- the holder earns staking yield -- but the mechanics affect how the tokens interact with DeFi protocols, particularly regarding tax accounting and smart contract integrations.

Why Liquid Staking Matters

Solving the Staking Dilemma

Traditional staking forces users into a binary choice: either lock tokens to earn validation rewards and secure the network, or keep tokens liquid to participate in DeFi. Liquid staking eliminates this trade-off entirely. Users can simultaneously earn staking yield and deploy their capital across lending, trading, and other DeFi activities.

Lowering the Barrier to Entry

On Ethereum, running a solo validator requires 32 ETH -- a substantial capital commitment. Liquid staking protocols pool deposits from many users, allowing participation with any amount. Someone with 0.1 ETH can earn the same proportional staking yield as someone with 320 ETH.

Improving Network Security

By making staking more accessible and eliminating the opportunity cost of locked capital, liquid staking encourages greater participation in proof-of-stake validation. More staked ETH means greater economic security for the network.

Liquid Staking in DeFi Lending

Liquid staking tokens have become some of the most popular collateral assets in DeFi lending protocols. The appeal is clear: borrowers earn staking yield on their collateral while simultaneously accessing liquidity through borrowing. If the staking yield is 4% and the borrowing rate is 2%, the borrower effectively borrows at a net cost of negative 2% -- they are being paid to borrow.

This dynamic has driven enormous growth in LST-collateralized lending. Aave, Morpho, and other major protocols have dedicated markets for liquid staking tokens, and the spread between staking yield and borrowing cost is one of the most closely watched metrics in DeFi.

Leveraged Staking

Some users amplify their staking exposure through recursive borrowing: deposit stETH, borrow ETH, stake the borrowed ETH for more stETH, deposit again, and repeat. This leveraged staking strategy multiplies the yield but also introduces liquidation risk if the LST depegs from its underlying asset.

Risks of Liquid Staking

Smart contract risk: Liquid staking protocols add an additional layer of smart contract risk on top of the base staking mechanism. A vulnerability in the protocol could affect all deposited funds.

Depeg risk: While LSTs are designed to maintain a close price relationship with their underlying asset, market conditions can cause temporary deviations. During the 2022 market turmoil, stETH traded at a significant discount to ETH, which triggered cascading liquidations for borrowers using stETH as collateral.

Validator risk: If the validators selected by the staking protocol misbehave or experience downtime, slashing penalties can reduce the value of the staked assets and, consequently, the LST.

Centralization concerns: A dominant liquid staking protocol controlling a large share of total stake could pose centralization risks to the underlying network. If one protocol controls more than a third of staked ETH, for example, it could theoretically influence consensus.

Major Liquid Staking Protocols

Lido is the largest liquid staking protocol, accounting for a significant portion of all staked ETH. Rocket Pool offers a more decentralized alternative with its permissionless node operator model. Coinbase's cbETH provides institutional-grade liquid staking, and newer entrants like EtherFi focus on native restaking integration. Each protocol offers different trade-offs in terms of decentralization, yield, and DeFi integration breadth.