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Liquid staking pool has two functions: Lower the staking requirement for users and increase the liquidity of staked assets. Users need to lock assets in staking node but only yield 10% annually. The opportunity cost of locking assets in the pool is huge. Users can exchange stETH with ETH with ETH on DEX. Staking Rewards is an index containing the top 20 PoS assets weighted by total staked value. The index also accrues staking rewards on a continuous basis. Marinade dominates the Solana liquid staking market.