Ethereum (ETH) 'Decun' Upgrade
June 2023, Ethereum developers agreed on the full scope of the networks upcoming upgrade called 'Decun'
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Building on the success of the previous Shanghai update, the Decun update primarily addresses 5 Ethereum Improvement Proposals (EIP) designed to add more storage for data while also reducing transaction fees and improving interoperability, computational efficiency, and contract reliability.

EIP-4844 proto-danksharding (allowing more space for blobs, binary large objects) reduce fees for layer 2 rollups

Full list of EIPs addressed in this update

  • EIP-4844
  • EIP-1153
  • EIP-4788
  • EIP-5656
  • EIP-6780

Timescale, when can we expect Decun

  • Late 2023

List of Prior Updates

  • 2023 Shanghai. Capella.
  • 2022 Paris (The Merge) Bellatrix. Gray Glacier.
  • 2021 Arrow Glacier. Altair. London. Berlin.
  • 2020 Beacon Chain genesis. Staking deposit contract deployed. Muir Glacier.
  • 2019 Istanbul. Constantinople.
  • 2017 Byzantium.
  • 2016 Spurious Dragon. Tangerine whistle. DAO fork. Homestead.
  • 2015 Frontier thawing. Frontier.

Sources and Prior Data:

Ethereum Improvement Proposals

June 8th, 2023, Coindesk reported :

Ethereum developers cement final lineup, Coindesk