# Grantee Roundup: December 2021

DevFeed: [Grantee Roundup: December 2021](<https://devfeed.tech/articles/grantee-roundup-december-2021-17000.md>)

Original publisher: [Read original article](<https://blog.ethereum.org/en/2022/01/31/esp-roundup-december-2021>)

Author: Ethereum Foundation Ecosystem Support Program

Published: 2022-01-31T00:00:00Z

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>), [Optimization](<https://devfeed.tech/topics/optimization.md>), [Framework](<https://devfeed.tech/topics/framework.md>), [Solidity](<https://devfeed.tech/topics/solidity.md>)

Tags: [build](<https://devfeed.tech/tags/build.md>), [ecosystem-support-program](<https://devfeed.tech/tags/ecosystem-support-program.md>), [ethereum](<https://devfeed.tech/tags/ethereum.md>), [framework](<https://devfeed.tech/tags/framework.md>), [optimization](<https://devfeed.tech/tags/optimization.md>), [research-prototype](<https://devfeed.tech/tags/research-prototype.md>), [technical](<https://devfeed.tech/tags/technical.md>)

## AI overview

This grantee roundup describes progress on GASOL, a framework for optimizing Ethereum smart contract gas consumption. The project expanded its optimization prototype to handle additional operations, generate executable bytecode, compare efficiency with the Yul optimizer, and support bytecode verification.

## Source excerpt

It's always fun to hear about new grants as they're awarded, but what happens after the announcement? In this series, we'll check in on a couple of projects that are well underway - or already at the finish line. Read on to learn about some recent milestones and achievements by...