# The 1.x Files: January call digest

DevFeed: [The 1.x Files: January call digest](<https://devfeed.tech/articles/the-1-x-files-january-call-digest-16884.md>)

Original publisher: [Read original article](<https://blog.ethereum.org/en/2020/01/17/eth1x-files-digest-no-2>)

Author: Griffin Ichiba Hotchkiss

Published: 2020-01-17T00:00:00Z

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>), [Network](<https://devfeed.tech/topics/network.md>), [Protocol (disambiguation)](<https://devfeed.tech/topics/protocol.md>), [data](<https://devfeed.tech/topics/data.md>), [Code](<https://devfeed.tech/topics/code.md>), [Blockchain](<https://devfeed.tech/topics/blockchain.md>)

Tags: [blockchain](<https://devfeed.tech/tags/blockchain.md>), [ethereum](<https://devfeed.tech/tags/ethereum.md>), [network](<https://devfeed.tech/tags/network.md>), [protocol](<https://devfeed.tech/tags/protocol.md>), [research](<https://devfeed.tech/tags/research.md>), [research-development](<https://devfeed.tech/tags/research-development.md>), [state](<https://devfeed.tech/tags/state.md>), [stateless](<https://devfeed.tech/tags/stateless.md>), [structure](<https://devfeed.tech/tags/structure.md>), [summit](<https://devfeed.tech/tags/summit.md>)

## AI overview

This digest reports on topics discussed in an Eth1.x research call, including the potential benefits and transition strategies for replacing Ethereum's hexary trie with a binary trie, contract-code witnesses, gas scheduling, chain pruning, and historical state data. It emphasizes that the discussion does not represent finalized plans or network-upgrade commitments.

## Source excerpt

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