Ethereum’s development plan is entering a new phase as the relationship between its base layer (L1) and the expanding network of layer-2 (L2) chains evolves. Recent guidance outlines a shift in priorities, where L2s are no longer defined primarily by scaling Ethereum but by delivering differentiated services, custom execution environments, and distinct economic models.
This adjustment accounts for changes in technology, market structure, and the growing maturity of L2 ecosystems, while reaffirming Ethereum L1’s role as the central hub for settlement, liquidity, and decentralized finance.
L1 Positioned as Core Settlement and Liquidity Layer
Ethereum L1 continues to operate as a permissionless and resilient foundation for global settlement, shared state, and capital flows. The network is designed to scale without compromising its core principles of censorship resistance, open-source infrastructure, privacy, and security.
At the same time, ongoing developments in zero-knowledge technology and scaling mechanisms are expected to significantly expand L1 capacity while preserving decentralization.
This positioning keeps Ethereum as the primary source of liquidity and coordination within the broader ecosystem. L1 also provides the security guarantees that L2 networks rely on, reducing the need for independent validator systems and lowering operational costs for emerging chains.
L2s Shift Focus to Customization and Market Strategy
In contrast, L2 networks are now defined by their ability to introduce specialized features, governance structures, and application-specific optimizations. While scaling remains part of their function, their primary focus has shifted to differentiation, control, and innovation.
L2s are expected to support a wide range of use cases, including non-EVM environments, enhanced privacy models, alternative transaction sequencing, and specialized economic systems. Some networks may prioritize ultra-low latency or compliance-oriented designs, while others focus on modular architectures or sector-specific applications.
The level of integration with Ethereum L1 varies across L2s. Networks seeking deeper alignment are encouraged to adopt mechanisms such as synchronous composability, shared liquidity, and advanced rollup structures. These approaches aim to strengthen interoperability and enable seamless access to L1 assets and services.
Mutual Reinforcement Defines Ecosystem Growth
The relationship between Ethereum L1 and L2s is structured as a mutually strengthening system. L2s extend Ethereum’s core properties, security, resilience, and decentralization to a broader user base while also acting as distribution layers for new applications and services.
At the same time, L2 activity contributes to Ethereum’s network effects by increasing demand for ETH, expanding developer participation, and strengthening interoperability across chains. However, both layers are expected to retain transparency into their security models, ensuring users can assess the levels of trust and decentralization they provide.
Related: $ENS Shifts From Namechain L2, Deploys ENSv2 Fully on Ethereum Mainnet
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