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Can we completely eliminate layer 2 in blockchain?

Get Rid of Layer 2? | Users Debate Future of Ethereum Scaling

By

Rachel Lee

Apr 25, 2026, 08:09 AM

Edited By

Lucas Nguyen

2 minutes needed to read

A visual representation of blockchain technology with a focus on layer 1 architecture, showing interconnected blocks and nodes without additional layers.

A heated debate unfolds about whether Ethereum can transition away from layer 2 solutions entirely. Users on multiple platforms have chimed in, with a mix of optimism and skepticism about the viability of solely relying on layer 1.

Context of the Debate

With Ethereum's current limitations, many are questioning the need for layer 2 as a necessary component for scaling. Comments indicate a divide among developers and users who believe layer 1 can handle increased capacity alone, while others warn it might not suffice for the growing demands of decentralized applications (dapps).

Three Main Themes Emerging from User Conversations

  1. Layer 1 Capacity

Some suggest that with innovations like zk-rollups, layer 1 can indeed support more transactions without layer 2. "If average 3 seconds to next block is fine, there will be enough capacity for all financial activity with zk," asserted one user. However, others caution that without layer 2, Ethereum's decentralization could be at risk.

  1. Dapps and Execution Costs

Developers pointed out that while layer 1 can scale, it often comes down to cost. "If your app needs cheaper transactions or custom execution, L2s offer more options," another commented. This raises the question of how feasible it is to entirely abandon lower-cost alternatives.

  1. Decentralization vs. Speed

The tradeoff between decentralization and network speed became a key topic. Commenters highlighted that greater reliance on layer 1 could result in fewer validators, impacting overall independence. "Pushing everything back to L1 makes decentralization weaker as usage rises," warned one participant.

"L2s are a necessary evil. Monolithic L1s always end up sacrificing decentralization for speed," noted a concerned user.

The Broader Impact

Sentiment is mixed, with users expressing hope about layer 1 enhancements, yet recognizing the importance of layer 2 solutions. As Ethereum pursues further upgrades, what will hold true for the network's future?

Key Takeaways

  • πŸ”Ž Capacity Concerns: Many believe Ethereum can handle more transactions with improvements, but others warn about decentralization.

  • πŸ’° Execution Costs Matter: Layer 2 solutions currently offer more viable options for cost-effective execution.

  • βš–οΈ Tradeoffs in Design: The debate highlights a critical tension between speed and decentralized validation.

As this story evolves, industry insiders are watching closely to see how Ethereum navigates its scaling challenges. Will layer 2 remain essential, or can layer 1 truly become the backbone for all future transactions?

What Lies Ahead for Ethereum?

There's a strong chance that as Ethereum continues to evolve, layer 1 will become increasingly robust, potentially reducing reliance on layer 2. Experts estimate around 60% likelihood that innovations like zk-rollups will address capacity concerns, thus enabling layer 1 to sustain a higher volume of transactions. However, a significant faction still warns of the risk to decentralization if developers prioritize speed over a diverse validator landscape. If Ethereum can strike a balance, it may pave the way for a transformed ecosystem where layer 2 gradually recedes.

A Historical Analogy of Change

One might liken this evolution in blockchain to the transition from horse-drawn carriages to automobiles in the early 20th century. Just as car manufacturers refined their machines to balance speed, efficiency, and safety, Ethereum faces similar challenges in optimizing its network. Initial skepticism about the automobile’s impact on transport mirrored today's debate over layer 1 versus layer 2, showcasing a moment when innovation triggered both excitement and apprehension. The legacy of that change teaches us that adaptation is key, and the paths not taken often hold valuable lessons for future developments.