# eth2 quick update no. 4

DevFeed: [eth2 quick update no. 4](<https://devfeed.tech/articles/eth2-quick-update-no-4-16872.md>)

Original publisher: [Read original article](<https://blog.ethereum.org/en/2019/11/21/eth2-quick-update-no-4>)

Author: Danny Ryan

Published: 2019-11-21T00:00:00Z

Content type: article

Language: en

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

Topics: [Ethereum](<https://devfeed.tech/topics/ethereum.md>), [Fuzzing/Fuzz testing](<https://devfeed.tech/topics/fuzzing.md>), [client](<https://devfeed.tech/topics/client.md>), [Protocol (disambiguation)](<https://devfeed.tech/topics/protocol.md>)

Tags: [ethereum](<https://devfeed.tech/tags/ethereum.md>), [fuzzing](<https://devfeed.tech/tags/fuzzing.md>), [protocol](<https://devfeed.tech/tags/protocol.md>), [research-development](<https://devfeed.tech/tags/research-development.md>), [update](<https://devfeed.tech/tags/update.md>)

## AI overview

The fourth eth2 quick update covers a Sigma Prime grant for differential fuzzing of eth2 clients, the formation of a Light Client Task Force, and notes on the uni-directional bridge between eth1 and eth2. The supplied text ends during the bridge discussion.

## Source excerpt

Welcome to the fourth installment of eth2 quick update. There are a lot of moving pieces to talk about this week. Other than the heroic eth2 client development going on, these are the highlights: tldr; Grant to Sigma Prime for eth2 differential fuzzing Light Client Task Force is...