According to Ethereum developer Barnabas Busa, the Ethereum Zhejiang public withdrawal testnet will go live on February 1, 2023 at 15:00 UTC as a precursor to the upcoming Shanghai upgrade for March 2023.
According to Busa, the testnet will create the platform for the Shanghai and Capella forks, which will allow validators to perform full withdrawals using Loadstar, Lighthouse, Tecu, Prism and Nimbus consensus clients, as well as Besu, Geth, Nethermind, EthereumJS . , and the Eragon execution layer client. The Shanghai and Capella forks will go live six days after the 1350 eon testnet launch.
ETH validators can test full or partial withdrawals
After the forks, partial withdrawals will automatically be triggered on all validator addresses on all clients with 0x01 execution address. Those using legacy BLS credentials (0x00) can update them to execution addresses using a tool called ethdo. Validators can exit the testnet after completing a full or partial withdrawal.
Ethereum transitioned from Proof-of-Work consensus mechanism to Proof-of-Stake consensus mechanism on September 15, 2022. The upgrade, dubbed the Merge, uses validators instead of miners to secure the network.
Aspiring validators can lock up 32 ETH in a contract on Ethereum’s Beacon chain to activate the Ethereum validator software. In return, they will earn a yield on their ETH. Those who could not stake 32 ETH could lock less ETH in the Liquid Staking Pool and receive an equivalent Liquidity Token with the same value as ETH to use on other decentralized finance applications.
The upcoming Shanghai upgrade will, among other things, enable more than 500,000 validators to withdraw 16,279,913 staked ETH.
Zheijang Testnet to improve test performance
In addition to withdrawals, the Zheijang testnet warm will test COINBASE, PUSH0, and limit/m initcode improvements.
The Ethereum testnet is a blockchain test network that mimics the main Ethereum blockchain after a merge. Developers can test applications on Testnet without risking real money.
Payments to Coinbase addresses incur higher gas fees because Coinbase addresses are not part of an access list framework, previously proposed in Ethereum Improvement Proposal (EIP) 2929. EIP-3651, Warm Coinbase, reduces gas fees by initially loading a Coinbase address. Regarding verification of transactions.
EIP-3855, or PUSH0, will reduce gas fees for some Ethereum operations by creating a new command, while the limit/meter initcode will extend EIP-170 to limit the size of smart contract calldata.
The testnet announcement comes a week after Ethereum developer Marius van der Wijden announced the first mainnet shadow fork ahead of the Shanghai upgrade on the Ethereum mainnet.
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