1.PoS Staking Derivatives Market. The total value of Staking assets according to StakingRewards in April 2021 is $160,297,302,844, and the total value of Staked ETH in ETH2.0 is 8,195,593,852 (total amount is 3,787,243). Assume that Staking Derivatives Accounting for 20% of all staking total assets, the market size of PoS Staking Derivatives is estimated to be approximately 33.7 billion USD.