Home
/
Crypto news
/
Technology developments
/

Glamsterdam's new block building pipeline explained

Ethereum's Future | Tackling Block Building Centralization

By

Ethan Zhang

Mar 2, 2026, 09:16 PM

Edited By

Nicolas Brown

3 minutes of duration

A visual representation of Ethereum blockchain technology, highlighting FOCIL and encrypted mempools with symbols of decentralization and privacy.
popular

A growing initiative is underway in Glamsterdam as Ethereum incorporates ePBS, allowing proposers to tap into a free market of block builders. This shift raises important concerns about block builder centralization, prompting discussions on censorship and how to maintain fairness within the ecosystem.

Key Developments in Block Building

The significance of the ePBS implementation aims to prevent centralization risks in the staking process. With this innovation, builders can no longer monopolize transaction inclusions. Yet, the question lingers: how can block builder centralization be effectively mitigated?

The Role of FOCIL

FOCIL (Flexible Order of Inclusion Lists) is a promising in-protocol solution for enhanced block building. This mechanism allows 16 randomly chosen attesters to choose transactions that must be included in a block. As one comment noted, "FOCIL is the part of this that excites me most," emphasizing its potential to sustain censorship resistance even amid a monopolistic control by one actor.

Future Implications of β€œBig FOCIL”

The proposed "Big FOCIL" extension complicates things further, suggesting that builders may only need to manage MEV-relevant transactions. It implies that essential transactions would still see inclusion while reducing builders' power significantly. This sparks intrigue over the possible impact on DeFi transactions which rely heavily on timeliness.

Tackling Toxic MEV

One of the more talked-about aspects is the introduction of encrypted mempools. These are seen as a pathway to combat toxic MEV strategies like sandwiching. As one user pointed out, if a transaction remains encrypted until inclusion, it limits opportunities for malicious actions. The challenge lies in ensuring transactions are validated without compromising efficiency.

"If builders end up only handling MEV-relevant txs + state computation, that’s a massive reduction in their power surface," remarked a contributor.

Network Layer Considerations

Critics suggest that discussions surrounding MEV often overlook the network layer's importance. Between a user dispatching a transaction and it being included in a block, the risk of being exposed remains high. Hostile actors can easily manipulate transactions in transit, leading to griefing or invalidation. There’s ongoing exploration of technologies like Tor for enhanced transaction privacy.

The Vision for Distribution

The ultimate dream for Ethereum may resemble BitTorrent's decentralized processing model. By minimizing dependency on centralized transaction processing, Ethereum could pave the way for cheaper transaction types, focused on distributed building. This vision is still controversial but could redefine Ethereum’s operational architecture.

Key Takeaways

  • πŸ”Ή The FOCIL mechanism ensures transaction inclusion despite centralization risks.

  • πŸ”Έ Big FOCIL could limit builders to handling only select types of transactions, impacting how Ethereum functions.

  • 🌐 Encrypted mempools might deter exploitative MEV strategies, making the network more user-friendly.

As discussions progress, many are left wondering how these innovations will be integrated, and whether they will address the diverse challenges of block building effectively. A pivotal period lies ahead for Ethereum as it ventures into these uncharted waters.

The Road Ahead for Ethereum's Ecosystem

There’s a strong chance that Ethereum will adopt more advanced measures to manage block building centralization, particularly as the FOCIL and Big FOCIL schemes take shape. Analysts estimate around a 70% likelihood that these implementations will lead to a more balanced ecosystem, reducing the power of individual builders while enhancing transaction fairness. As the push for encrypted mempools gains momentum, it could cut malicious MEV strategies in half. However, challenges will remain regarding the network layer's security, with experts suggesting a 60% probability that solutions like Tor will see increased adoption for transaction privacy. The richness of this transformation indicates a period of adaptation, where Ethereum aims to strike a delicate balance between efficiency and decentralization.

Echoes from the Past: Lessons from the Suez Canal Crisis

In the early days of container shipping, the Suez Canal became a critical chokepoint that drastically altered global trade patterns, sparking intense geopolitical dialogues. Similar to Ethereum's current quest for decentralization, the crisis of 2021 uncovered vulnerabilities in a seemingly robust system reliant on few key players. Just as the canal's blockage forced a rethink of maritime routes and prompted innovation in logistics, Ethereum may find that its present challenges inspire creative solutions for block building, fostering an environment where fairness prevails. In both cases, a clarion call for innovation amidst crisis could lead to a landscape that is not merely reactive but transformative.