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Ethereum’s Dencun Upgrade Preps for Mainnet Launch, New Features to be Released

Ethereum developers have rolled out the Dencun upgrade on the Holesky testnet, making it the final step before its expected deployment on the mainnet next month.

The Dencun upgrade was successfully integrated into the Holesky testnet at around 6:35 a.m. ET. Nevertheless, following swift finalization, further testing will proceed.

This latest development follows a phased approach to the Dencun upgrade, with previous deployments on the Goerli testnet on January 17 and the Sepolia testnet on January 30. A concrete date for the mainnet deployment is anticipated to be decided during today’s Ethereum All Core Developers call, with deployment expected in early to mid-March, according to The Block.

It is worth noting that Dencun combines elements from the Cancun and Deneb upgrades on Ethereum, with Cancun focusing on execution layer improvements and Deneb enhancing the consensus layer.

A notable feature of Dencun is proto-danksharding (EIP-4844), which introduces “blobs” to enable temporary storage and access of large amounts of off-chain data by Ethereum nodes.

This innovation aims to significantly reduce storage demands and lower transaction costs for Ethereum decentralized applications (DApps), especially benefiting Layer 2 rollup chains by enabling more cost-effective and scalable data processing.

The introduction of proto-danksharding represents a significant advancement in Ethereum’s capabilities, following the success of its last major upgrade, Shapella, in March 2023.

Shapella notably allowed users and validators to withdraw their staked ether on the network for the first time, enhancing the network’s usability and functionality.

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