# Stateless Ethereum Research Update on Witnesses and Data Availability

DevFeed: [Stateless Ethereum Research Update on Witnesses and Data Availability](<https://devfeed.tech/articles/the-1-x-files-the-state-lessness-of-the-union-16889.md>)

Original publisher: [Read original article](<https://blog.ethereum.org/en/2020/02/18/eth1x-files-the-statelessness-of-the-union>)

Author: Griffin Ichiba Hotchkiss

Published: 2020-02-18T00:00:00Z

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>), [client](<https://devfeed.tech/topics/client.md>), [Availability](<https://devfeed.tech/topics/availability.md>), [Network](<https://devfeed.tech/topics/network.md>)

Tags: [availability](<https://devfeed.tech/tags/availability.md>), [ethereum](<https://devfeed.tech/tags/ethereum.md>), [research-development](<https://devfeed.tech/tags/research-development.md>), [state](<https://devfeed.tech/tags/state.md>), [stateless](<https://devfeed.tech/tags/stateless.md>)

## AI overview

A technical update on Stateless Ethereum research discusses witnesses, state and witness data availability, and proposed changes for stateless clients to execute new blocks.

## Source excerpt

The next Stateless Ethereum research call is coming up in less than a week! The telegram chat now has hundreds of messages to catch up on, and only a small portion of the topics discussed have made it into the ethresearch forums. This post is just a quick primer...