Ethereum Dev Proposes Major Upgrade to Double Block Production

Ethereum may be on the brink of another significant network upgrade as developers propose halving the current slot time from 12 seconds

Written by: Sophia Cruz • Tuesday, June 24, 2025 • 2 min read

Last updated: Tuesday, June 24, 2025

Quick overview

Ethereum developers are proposing to halve the current slot time from 12 seconds to 6 seconds to double block production.
This change aims to enhance transaction speed and responsiveness for users and developers, potentially improving user experience.
While there are risks associated with shorter slot times, many believe the benefits could outweigh these concerns as Ethereum seeks to compete with faster chains.
The proposal is still in early stages, with developers planning extensive testing before any changes are implemented.

Ethereum may be on the brink of another significant network upgrade as developers propose halving the current slot time from 12 seconds to just 6 seconds.

This change would effectively double the number of blocks produced on the network, a move that could enhance transaction speed and overall responsiveness for Ethereum users and developers.

The idea was raised by Ethereum core developer Terence Tsao during a recent discussion, where he emphasized the potential benefits of reducing slot times. By accelerating block production, Ethereum could offer faster transaction finality, an important step in scaling the network for global use. This proposal is still in early stages, but it has already sparked strong interest within the developer community and beyond.

Currently, Ethereum uses a slot time of 12 seconds to create new blocks under its proof-of-stake consensus. Reducing this to 6 seconds would not only improve user experience but could also create more regular block rewards for validators. For decentralized applications and platforms that rely on real-time data, this could mean smoother and more efficient performance.

There are trade-offs to consider. Shorter slot times could increase the risk of block propagation issues, especially for validators operating in areas with slower network connections. Developers are aware of this and plan to run extensive testing before any change is made to the live network. Still, many see the benefits outweighing the risks, particularly as Ethereum continues to compete with faster chains that boast higher throughput.

This proposal comes at a time when Ethereum is focused on long-term improvements. Recent upgrades have aimed to reduce costs, improve scalability, and maintain decentralization. Doubling block frequency fits well within that strategy, pushing the network further toward its performance goals without compromising security.

If the plan gains consensus, the shorter slot time could be introduced in a future upgrade. Until then, developers will continue evaluating the technical feasibility and impact. For Ethereum users and stakeholders, the proposal is another sign of the network’s commitment to innovation and adaptability in a fast-changing digital landscape.

Check out our free forex signals
Follow the top economic events on FX Leaders economic calendar
Trade better, discover more Forex Trading Strategies
Open a FREE Trading Account

ABOUT THE AUTHOR See More

Sophia Cruz

Financial Writer - Asian & European Desks

Sophia is an experienced writer, reporter and newsdesk member, mostly on the financial sectors. For the past 5 years Sophia has covered a wide variety of topics such as the financial markets, economics, technology, fin-tech and trading. Sophia has been a part of the FX Leaders team since 2017 and works on producing valuable content and information for traders of all levels of experience.