Ethereum London Hard Fork Goes Live on Testnet Starting June 24

Ethereum testnet now have dates for London Hardfork, starting from
Ethereum London hard fork

According to the blog post, the Ethereum London Hard fork will go live on the testnet starting from June 24. In a blog post on the Ethereum foundation website, Ethereum core developer Tim Beiko wrote that Ropsten, Goerli, Rinkeby go live in London.  

Ethereum much-coveted “London” Hard Fork now set block height for Three Etherum Testnet. The release schedule is as follows:

NetworkBlock NumberExpected Date
Ropsten10499401June 24, 2021
Goerli5062605June 30, 2021
Rinkeby8897988July 7, 2021
MainnetTBD once testnets fork successfully.TBD once testnets fork successfully.

Note: the Kovan network will be upgraded later, likely after the Mainnet block has passed.

According to Tim Beiko:

“As of now, only testnet (Ropsten, Goerli, Rinkeby) have been scheduled for London. However, once the upgrade has successfully been activated on these networks. After that, a block will be set on the Ethereum mainnet and communicated on this blog and other venues.

A few months ago Berlin was activated on the Ethereum mainnet. At least five other EIPs are likely to Join EIP 1559 in London. EIP 1559 flips typical blockchain transactions on its head to fix various issues with the Ethereum user experience. For example, traditionally, users send a gas fee to miners for marketing to be included in a block. It is not explicitly designed to reduce gas costs. Many expected to bring them down for users significantly.  It may also cut into miner revenues by upward of 50%. This was one reason why it sparked a ‘Miner revolt.’

The five other EIPs includes

EIP 1559Fee Market change for ETH 1.0 chain
EIP 3198 BASE FEE opcode
EIP 3529Reduction in refunds
EIP 3541Reject new contracts starting with the 0xEF byte
EIP 3554Difficulty Bomb Delay to December 1st, 2021

The blog post that such significant system upgrades to a decentralized system are a feat of coordination.

“The Decentralized nature of blockchain system makes a network upgrade more difficult. Network Upgrade in a blockchain requires cooperation and communication with the community, as well as with the developers of the various Ethereum client for the transaction to go smoothly.”

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