Ethereum's Shapella upgrade on April 12, 2023, will allow validators to withdraw staked Ether from the Beacon chain.
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Impacts of Shanghai upgrade
The Shanghai upgrade could have significant impacts, including triggering a selling wave or encouraging more staking.
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Simultaneous upgrade
Shapella, a portmanteau wordfor 'Shanghai' and 'Capella,' is the first simultaneous upgrade of the consensus and execution layers of Ethereum.
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Proof-of-stake
The Merge upgrade inSeptember 2022 shifted Ethereum's consensus mechanism to proof-of-stake, requiring validators to stake 32 ETH and lock up their rewards.
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Staked ETH is valuedat $26bn
Shanghai upgrade will let validators cash out rewards for staking ETH, and recover entire staked coins. 14% of ETH is staked, valued at $26 billion.