# Sepolia Merge Announcement

DevFeed: [Sepolia Merge Announcement](<https://devfeed.tech/articles/sepolia-merge-announcement-17024.md>)

Original publisher: [Read original article](<https://blog.ethereum.org/en/2022/06/30/sepolia-merge-announcement>)

Author: EF Protocol Support

Published: 2022-06-30T00:00:00Z

Content type: release

Language: en

Sources: [Ethereum Foundation Blog](<https://devfeed.tech/sources/ethereum-foundation-blog.md>)

Topics: [Ethereum](<https://devfeed.tech/topics/ethereum.md>), [Network](<https://devfeed.tech/topics/network.md>), [releases](<https://devfeed.tech/topics/releases.md>)

Tags: [beacon](<https://devfeed.tech/tags/beacon.md>), [consensus](<https://devfeed.tech/tags/consensus.md>), [ethereum](<https://devfeed.tech/tags/ethereum.md>), [network](<https://devfeed.tech/tags/network.md>), [proof-of-authority](<https://devfeed.tech/tags/proof-of-authority.md>), [proof-of-work](<https://devfeed.tech/tags/proof-of-work.md>), [protocol-announcements](<https://devfeed.tech/tags/protocol-announcements.md>), [releases](<https://devfeed.tech/tags/releases.md>)

## AI overview

Ethereum announces the next phase of the Sepolia testnet's transition from proof-of-work to proof-of-stake as part of The Merge. The transition is triggered by a Terminal Total Difficulty threshold, following the Bellatrix upgrade on the Sepolia Beacon Chain.

## Source excerpt

Note: on July 5, 2022, the recommended releases for go-ethereum and Erigon were modified. See "Client Releases" for details. Sepolia will be the second of three public testnets to run through The Merge. The network will transition to proof-of-stake when the total difficulty on the proof-of-work chain exceeds 17,000,000,000,000,000, which...