December 16, 2025
Ethereum

Goerli/Prater Merge Announcement | Ethereum Foundation Blog

For the last testnet proof-of-stake transition, Goerli will merge with Prater. The combined Goerli/Prater network will retain the Goerli name post-merge. Bellatrix, the Prater upgrade readying it for The Merge will happen at epoch 112260, expected at 12:24PM UTC on August 4, 2022. After Bellatrix is activated, the Goerli/Prater merge will happen when Goerli hits

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Ethereum

Academic Grants Round grantee announcement

We are thrilled to announce the 39 grantees selected for the recent Academic Grants Round. This grants round invited researchers, think-tanks, Ph.D. students, and all those interested in advancing knowledge around the Ethereum ecosystem to submit academic proposals. Thank you to all those who submitted proposals, and congratulations to all the grantees. We are pleased

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Ethereum

Sepolia Post-Merge Upgrade Announcement | Ethereum Foundation Blog

The Sepolia testnet will undergo a post-merge execution layer (EL) upgrade at block 1735371, expected on August 17, 2022 The upgrade will cause EL clients on the network to disconnect from peers which have not transitioned to proof-of-stake. It does not add additional functionality beyond this. Sepolia node operators must upgrade their execution layer client

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Ethereum

Finalized no. 36 | Ethereum Foundation Blog

tl;dr Merge sequence engaged ๐Ÿš€ Mainnet Merge incoming Yesterday on the Consensus Layer call, client engineers agreed on Mainnet parameters for the Merge — a Bellatrix epoch of 144896 and a Paris TTD of 58750000000000000000000 (tentative). The TTD is based on Proof-of-Work difficulty and is thus a bit hard to estimate precisely. The target date

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Ethereum

Mainnet Merge Announcement | Ethereum Foundation Blog

Ethereum is moving to proof-of-stake! The transition, known as The Merge, must first be activated on the Beacon Chain with the Bellatrix upgrade. After this, the proof-of-work chain will migrate to proof-of-stake upon hitting a specific Total Difficulty value. The Bellatrix upgrade is scheduled for epoch 144896 on the Beacon Chain — 11:34:47am UTC on

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Ethereum

Finalized no. 37 | Ethereum Foundation Blog

~20 days until the Merge ๐Ÿš€ tl;dr Merge Data Challenge ๐Ÿงช๐Ÿ“Š In preparation for the imminent Merge, the Merge Data Challenge is live! The Merge is the most complex upgrade to Ethereum to date and potentially to any public blockchain network ever. And with that comes tons of data to collect, data to visualize, tools

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Ethereum

Translating the Ethereum Foundation blog

Since the first post in December 2013, the Ethereum Foundation (EF) blog has been the primary way teams within the EF communicate. From announcements about events, to grant waves, protocol upgrades, regular updates from specific teams or discussing Ethereum’s vision and roadmap, the blog has been a helpful resource for those looking to stay in

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Ethereum

Ethereum Protocol Fellowship: The Third Cohort

Do you enjoy solving interesting and challenging problems? Are you interested in getting involved at the most foundational level of the Ethereum protocol? The Protocol Support Team (EF) is excited to announce that applications are now being accepted for the third cohort of the Ethereum Protocol Fellowship (formerly Core Developer Apprenticeship Program (CDAP))! With the

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Ethereum

Allocation Update: Q1 and Q2 2022

Community & education Blockchain Pachuca Meetup Blockchain Pachuca First meetup for a community group based in Pachuca, Mexico that studies Ethereum dApps. Community & education city3 Quadratic Funding Experiments city3 Implementation of quadratic funding experiments in Oakland, California. Community & education Cryptist One-day conference exploring ZK technology and the Ethereum ecosystem, held in Istanbul, Turkey.

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Ethereum

Kiln Shutdown Announcement | Ethereum Foundation Blog

The Merge is happening soon! This post explains how and when the upgrade will happen, along with the client versions compatible with it. Kiln, an Ethereum merge testnet launched in early 2022, will be shut down during the week of September 12, 2022. Ropsten and Rinkeby are also deprecated and scheduled to be sunset in

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