# Kiln Testnet Merge Transition Reveals Client Bugs as Ethereum Testing Continues

DevFeed: [Kiln Testnet Merge Transition Reveals Client Bugs as Ethereum Testing Continues](<https://devfeed.tech/articles/finalized-no-34-17009.md>)

Original publisher: [Read original article](<https://blog.ethereum.org/en/2022/03/23/finalized-no-34>)

Author: Danny Ryan

Published: 2022-03-23T00:00:00Z

Content type: article

Language: en

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

Topics: [Blockchain](<https://devfeed.tech/topics/blockchain.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [Security](<https://devfeed.tech/topics/security.md>), [Fuzzing/Fuzz testing](<https://devfeed.tech/topics/fuzzing.md>), [Network](<https://devfeed.tech/topics/network.md>)

Tags: [blockchain](<https://devfeed.tech/tags/blockchain.md>), [encoding](<https://devfeed.tech/tags/encoding.md>), [fuzzing](<https://devfeed.tech/tags/fuzzing.md>), [network](<https://devfeed.tech/tags/network.md>), [research-development](<https://devfeed.tech/tags/research-development.md>), [security](<https://devfeed.tech/tags/security.md>), [testing](<https://devfeed.tech/tags/testing.md>)

## AI overview

The article reports that Ethereum's Kiln testnet completed its transition from proof of work to proof of stake. It describes encoding and synchronization errors during the transition and outlines expanded testing, fuzzing, code review, and security efforts ahead of public testnet upgrades.

## Source excerpt

tl;dr Kiln🧱🔥 is up, check it out #TestingTheMerge is in full swing. Do your part, get involved!...