Liquid staking is a DeFi innovation that lets users stake their cryptocurrency to earn rewards while simultaneously receiving a liquid derivative token representing their staked position. This derivative can be freely traded, used as collateral, or deployed in other DeFi protocols, solving the liquidity problem of traditional staking.
In conventional staking, tokens are locked for a fixed period and cannot be accessed until the unstaking period ends. Liquid staking changes this by issuing a receipt token — such as stETH from Lido or rETH from Rocket Pool — that tracks the value of the underlying staked asset plus accumulated rewards.
Benefits of liquid staking include:
- Capital efficiency — stakers can earn staking rewards and simultaneously use their derivative tokens in lending, borrowing, and liquidity pools.
- Flexibility — derivative tokens can be sold on the open market at any time, providing an exit without waiting for the unstaking period.
- DeFi composability — liquid staking tokens integrate with the broader DeFi ecosystem, enabling layered yield strategies.
Liquid staking has grown rapidly since Ethereum's transition to Proof of Stake. Lido is the largest liquid staking protocol by total value locked, followed by Rocket Pool and others. Many users also engage in restaking by depositing their liquid staking tokens into protocols like EigenLayer for additional yield.
Risks include smart contract vulnerabilities, depeg events where the derivative token trades below the value of the underlying asset, and concentration risk if one protocol dominates the staking landscape. Always research the protocol and its track record before participating.