Ethereum is moving forward with a proposal to speed up block production, potentially transforming how decentralized finance (DeFi) applications operate on the network's main layer. The proposal, called EIP-8198, would gradually reduce block time from the current 12 seconds to 10 seconds, then potentially faster, as the network proves it can handle the change safely. This isn't about making Ethereum the fastest blockchain; it's about making the world's largest DeFi settlement layer more efficient for traders, market makers, and institutional users.

Why Would Faster Blocks Help DeFi Users?

The practical impact of shorter block times ripples across the entire DeFi ecosystem. When blocks arrive more frequently, on-chain prices update more often, reducing the window of time during which traders face stale quotes and unfavorable fills. This matters because markets don't wait for Ethereum blocks; prices keep moving between blocks, and that gap creates friction.

According to interviews with roughly 20 DeFi founders and infrastructure researchers, faster blocks would improve several critical market functions. Liquidity providers (LPs) would see better returns because the time they're exposed to price risk shrinks. Arbitrageurs, who help keep prices efficient across different trading venues, would face less risk while waiting for their transactions to settle. Even users of tokenized stocks and exchange-traded funds (ETFs) would benefit, since quote providers could offer tighter spreads when they don't have to hold price risk for as long.

"Quotes vary less between blocks, and slippage can be set tighter," said 0xngmi, founder of DefiLlama, a data platform that tracks DeFi metrics.

0xngmi, Founder of DefiLlama

The scale of Ethereum's DeFi market makes this optimization meaningful. As of September 17, 2026, total value locked across Ethereum and its layer 2 networks was roughly $58 billion, with spot decentralized exchange (DEX) volume exceeding $750 billion for the year. Over the past 30 days alone, DEX volume reached approximately $41.25 billion, comparable to major traditional securities exchanges.

How Would EIP-8198 Actually Work?

The proposal takes a cautious, two-step approach rather than rushing to the fastest possible block time. First, developers would remove the hardcoded assumption in Ethereum's software that "block time is always 12 seconds." This refactor makes block time adjustable. Second, once that capability exists, block production would be gradually accelerated as the network demonstrates it can handle the change safely.

The initial plan targets a reduction from 12 seconds to 10 seconds. Every subsequent reduction would require separate testing and separate consensus from Ethereum's core developer community. This mirrors how Ethereum has handled other capacity improvements, such as raising the gas limit as client headroom allows. The core principle is to make block time safely adjustable first, then optimize gradually.

• Current Block Time: Ethereum produces a new block every 12 seconds, creating a settlement window that affects all on-chain transactions and market operations.
• Proposed Initial Reduction: EIP-8198 would lower block time to 10 seconds, with further reductions requiring additional testing and network consensus.
• Decentralization Safeguard: The upgrade prioritizes preserving Ethereum's censorship resistance, decentralization, and credible neutrality rather than chasing maximum speed.
• Gradual Implementation: Block time adjustments would be made incrementally, allowing the network to adapt and validators to upgrade their infrastructure without disruption.

Carl Beekhuizen authored the EIP in March 2026, and Barnabé Monnot submitted it to Ethereum's All Core Devs meeting on August 6, 2026, seeking inclusion in the Hegotá upgrade. Francesco D'Amato and a growing number of client and ecosystem teams are advancing the proposal.

What Do Different Parts of DeFi Say About This Change?

Support for faster blocks spans multiple segments of the DeFi ecosystem, each seeing different benefits. Options traders point out that faster settlement reduces the risk arbitrageurs bear while rebalancing markets. Austin Adams, founder of Doppler, which handles asset issuance and cold-start liquidity, noted that faster slots directly improve LP returns and make capital markets more efficient.

"Faster slots directly improve LP returns and make capital markets more efficient. Getting EIP-8198 in as soon as possible helps the network continue to dominate capital formation and trading," explained Austin Adams, founder of Doppler.

Austin Adams, Founder of Doppler

Josh Kim, engineering lead at Derive, an options platform planning to deploy on Ethereum mainnet, described the real-world impact: "Large options orders often move the perpetuals and spot on our DEX. When arbitrageurs come in to rebalance, block speed directly determines the fees, slippage, and risk they bear. For example, going long spot and short perpetuals now means bearing 12 seconds of spot settlement risk, so they often only dare to enter when prices move sharply".

Tokenized asset platforms also support the upgrade. Ondo, which uses request-for-quote (RFQ) mechanisms for minting and redeeming tokenized stocks and ETFs, sees faster blocks as a way to reduce the price risk quote providers must hold. Armand Khatri, Ondo's ecosystem lead, explained that markets pricing tokenized stocks never wait for Ethereum blocks, so every second of settlement delay translates into wider spreads that users ultimately pay.

Even consumer-facing applications benefit. FWA.fun, which recently became one of the top gas-consuming applications on Ethereum mainnet, brings users who want faster confirmation times. Adam, FWA.fun's founder, noted that users dislike waiting, and shorter blocks reduce the entire confirmation window, especially for applications using Chainlink VRF (Verifiable Random Function) that require multiple block confirmations.

Could Faster Blocks Also Improve Censorship Resistance?

Beyond market efficiency, faster blocks offer a secondary benefit: stronger censorship resistance. If a validator or builder refuses to include a user's transaction, Ethereum should provide an alternative path as quickly as possible. Longer block times mean longer waits for censored users seeking inclusion.

"This is the biggest experience unlock for DeFi users, while also bringing censorship resistance and finality benefits," stated George Davies, engineering lead at Gattaca, which runs Titan Builder and currently produces roughly half of Ethereum's blocks.

George Davies, Engineering Lead at Gattaca

This dual benefit, addressing both market efficiency and network resilience, explains why the proposal has gained traction across diverse parts of the Ethereum ecosystem. The upgrade doesn't require sacrificing the decentralization and security properties that make Ethereum valuable as a settlement layer; it simply makes the network more responsive to users and markets.

As Ethereum continues to compete with other blockchains and layer 2 networks for DeFi activity, incremental improvements to mainnet performance could reinforce its position as the preferred venue for on-chain value storage and trading. The proposal represents a measured approach to optimization, prioritizing safety and consensus over speed alone.