According to StakingRewards, the Staking Market Cap (the valuation of all projects with a staking mechanism) is currently at 488.2 billion USD. An overview includes all staking assets, including PoS, Liquid Staking, Restaking, and DeFi Staking.

We have prepared the list of projects sorted by the USD value of the staked tokens. The list shows the Top 5: Ethereum, Solana, Lido Staked Ether, Wrapped stETH, and Sui.