The total amount of Ethereum staked has surpassed 36 million ETH, reaching 36.07 million, which represents 29.15% of the total supply. Since the Shanghai upgrade on April 12, 2023, there has been a net inflow of 17.91 million ETH into staking. The liquidity staking protocol Lido holds a 25.21% share of the staked ETH. Ethereum transitioned from proof of work to proof of stake in September 2022, and the Shanghai upgrade introduced a staking withdrawal function, enabling validators to withdraw staked ETH and accumulated rewards.