# Eth2 Update: Phase 0 Security Audit, Lighthouse Testnet, and Spec Releases

DevFeed: [Eth2 Update: Phase 0 Security Audit, Lighthouse Testnet, and Spec Releases](<https://devfeed.tech/articles/eth2-quick-update-no-6-16877.md>)

Original publisher: [Read original article](<https://blog.ethereum.org/en/2019/12/19/eth2-quick-update-no-6>)

Author: Danny Ryan

Published: 2019-12-19T00:00:00Z

Content type: news

Language: en

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

Topics: [Ethereum](<https://devfeed.tech/topics/ethereum.md>), [Blockchain](<https://devfeed.tech/topics/blockchain.md>), [Security](<https://devfeed.tech/topics/security.md>), [distributed-systems](<https://devfeed.tech/topics/distributed-systems.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [Nim](<https://devfeed.tech/topics/nim.md>)

Tags: [blockchain](<https://devfeed.tech/tags/blockchain.md>), [bugs](<https://devfeed.tech/tags/bugs.md>), [crash](<https://devfeed.tech/tags/crash.md>), [ethereum](<https://devfeed.tech/tags/ethereum.md>), [network](<https://devfeed.tech/tags/network.md>), [nim](<https://devfeed.tech/tags/nim.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [release](<https://devfeed.tech/tags/release.md>), [report](<https://devfeed.tech/tags/report.md>), [research-development](<https://devfeed.tech/tags/research-development.md>), [security](<https://devfeed.tech/tags/security.md>), [testing](<https://devfeed.tech/tags/testing.md>), [update](<https://devfeed.tech/tags/update.md>)

## AI overview

This eth2 update announces a comprehensive Phase 0 specification security audit by Least Authority, reports on Sigma Prime's public Lighthouse testnet and its validator scale, and notes Nimbus's native nim-libp2p integration. It also covers an open-source block explorer update and eth2 specification releases and scheduling.

## Source excerpt

Welcome to this week's eth2 quick update! A handful of new eth2 testnets have come online and last week I had them all running on my laptop. There is still plenty of work to be done, but this is getting real :). tldr; Announcing comprehensive Phase 0 spec...