Ethereum's Mainnet Resurgence: Why L1 Activity Outpacing L2 Signals Stronger Network Value and Investment Potential

The Ethereum ecosystem in late 2025 is a study in contrasts. While Layer 2 (L2) solutions like Arbitrum, Optimism, and Coinbase's Base dominate transaction volume and retail activity, the Ethereum mainnet is quietly reclaiming its position as the bedrock of network utility and value accrual. This resurgence is not merely a technical rebound but a strategic repositioning driven by institutional adoption, security guarantees, and the inescapable role of the mainnet as the final settlement layer. For investors, the interplay between L1 and L2 activity reveals a critical insight: the mainnet's dominance in key metrics like total value locked (TVL), user retention, and institutional trust underscores its long-term investment potential, even as L2s handle the bulk of day-to-day transactions.

The Illusion of L2 Supremacy

At first glance, L2 networks appear to outshine the mainnet. By early 2025, L2s collectively processed over two million daily transactions, with Base alone recording eight million. The Dencun upgrade, which introduced EIP-4844, slashed L2 fees by over 90% in some cases, making these networks the go-to choice for retail users. However, this transactional dominance masks a deeper truth: L2s are not standalone ecosystems but extensions of the mainnet. They rely on Ethereum's security, data availability, and finality, which means their growth inherently reinforces the mainnet's value proposition.

Consider the economics. While L2s pay a fraction of fees to the mainnet- $10 million in 2025 versus $113 million in 2024-this decline in direct revenue is offset by the mainnet's role as the ultimate settlement layer. Every L2 transaction ultimately depends on Ethereum's consensus mechanism, and the network's security budget remains robust due to its institutional-grade infrastructure. notes, Ethereum's mainnet continues to secure over 64% of DeFi TVL, with major institutions like BlackRock and Societe Generale expanding their offerings on the chain. This concentration of value in the mainnet is a testament to its irreplaceable role in the ecosystem.

Network Utility: Beyond Transaction Volume

The true measure of a blockchain's utility lies not in raw transaction counts but in its ability to attract and retain users, especially in high-value use cases. Here, the mainnet shines. By late 2025, Ethereum's daily active address count had surpassed one million during peak periods, a figure that reflects sustained engagement across DeFi, stablecoin transfers, and NFTs. Moreover, the network saw a surge in new wallet addresses, indicating broader adoption rather than mere activity among existing users. This growth is not accidental; it is driven by Ethereum's unique position as the most battle-tested and secure blockchain, which continues to draw developers and institutions.

Gas usage trends further highlight this dynamic. While average gas fees plummeted from 72 gwei in early 2024 to 2.7 gwei by March 2025, the mainnet's transaction volume remained resilient. Over 1.2 million transactions per day were processed directly on the mainnet, with total daily transactions-including L2s-exceeding 12.5 million. This bifurcation of activity-where L2s handle low-cost, high-frequency transactions and the mainnet secures high-value settlements-creates a symbiotic relationship that strengthens the network's overall utility.

User Retention as a Leading Indicator

User retention metrics are among the most reliable leading indicators of long-term value accrual. Ethereum's ability to retain and onboard users in 2025 is a strong signal of its enduring relevance. For instance, the network's daily transaction count exceeded 1.2 million, with total transactions surpassing 2 billion. These figures are not just numbers; they represent a thriving ecosystem where users trust Ethereum for everything from cross-border payments to institutional-grade asset management.

The rise of L2s has not diluted this trust. Instead, it has expanded Ethereum's reach. By offloading low-value transactions to L2s, the mainnet preserves its throughput for critical applications, ensuring that its security and finality remain unmatched. This division of labor is a strategic advantage. observes, Ethereum's willingness to sacrifice $100 million in fee revenue for network growth demonstrates a long-term vision that prioritizes scalability and adoption over short-term gains.

The Investment Case: Security, Trust, and Inevitability

For investors, the key takeaway is clear: Ethereum's mainnet is not a relic but a resilient foundation for value accrual. While L2s handle the bulk of transaction volume, the mainnet's role as the ultimate settlement layer ensures its dominance in security, institutional adoption, and TVL. The network's ability to adapt-through upgrades like Dencun-while maintaining its core value proposition is a testament to its enduring strength.

Moreover, the mainnet's user retention metrics and growing institutional footprint suggest a future where Ethereum's value is not tied to transaction fees but to its role as the bedrock of a multi-layered ecosystem. This is a powerful dynamic. highlights, L2s like Starknet and Mantle are thriving, but their success is inseparable from Ethereum's infrastructure. In this sense, the mainnet's resurgence is not a competition with L2s but a validation of its central role in the blockchain economy.

Conclusion

Ethereum's mainnet may no longer be the busiest street in town, but it remains the most important. The shift to L2s has not diminished the mainnet's value; it has redefined it. By focusing on security, finality, and institutional trust, Ethereum has positioned itself as the ultimate settlement layer in a multi-layered future. For investors, this is not just a technical evolution-it is a strategic advantage that ensures Ethereum's long-term relevance and value.