Ethereum Major Roadmap Revealed: Vitalik Buterin Promotes ePBS and Crypto Memory Pool to Tackle MEV Centralization Issues

March 3 News: Ethereum is advancing a key decentralization upgrade plan. Ethereum co-founder Vitalik Buterin recently proposed a new technical roadmap, focusing on mechanisms such as ePBS (Proposer-Builder Separation), FOCIL, and encrypted mempools. The goal is to alleviate MEV centralization issues and reshape fairness in block production.

In recent years, the Ethereum network has faced new structural challenges during its expansion. As block construction becomes more specialized, most validators no longer build blocks themselves but rely on professional block builders to handle transaction ordering and block packaging. While this improves efficiency, it also concentrates block production power among a few participants, raising concerns about censorship risk, transaction fairness, and network decentralization.

One of Buterin’s proposed solutions is the ePBS mechanism, which involves integrating “Proposer-Builder Separation” directly into the protocol layer. This design allows block builders to continue competing for high-reward blocks, while the bidding and selection process is automatically executed by the protocol, reducing reliance on external relay services and increasing transparency.

Under this mechanism, validators can select optimal blocks without depending on centralized infrastructure, and the rules for block construction become more open and transparent. Researchers believe this design can maintain block construction efficiency while reducing potential market manipulation.

Another key technology is encrypted mempools. Traditional mempools expose transaction information, making it easy for bots to monitor and perform front-running or arbitrage. Encrypted mempools hide transaction contents, reducing the impact of malicious MEV strategies on ordinary users’ transactions and improving fairness.

Additionally, the FOCIL mechanism aims to ensure transaction inclusion rights, preventing a small number of block builders from controlling transaction ordering and influencing network neutrality. These solutions together form the core technical toolkit for Ethereum to address MEV issues.

On a broader level, Ethereum’s technological reforms are also attracting attention across the entire crypto industry. As blockchain networks grow larger, MEV extraction has become a common challenge faced by multiple public chains. If these proposals are successfully implemented, they could serve as important references for other blockchains dealing with MEV centralization.

For investors, these underlying architecture adjustments not only impact network security and decentralization but may also alter validator reward structures and Ethereum’s long-term value proposition. As protocol-level reforms gradually advance, Ethereum’s future network governance and block production models may enter a new phase.