Liquidity in Layer 2 Ecosystems: Who’s Winning and Why?

Layer 2 networks have rapidly matured from basic scaling tools into leading hubs of on-chain activity. As Ethereum’s transaction costs fluctuate and usage grows, Layer 2 liquidity has become concentrated on these ecosystems. However, liquidity does not flow evenly—each L2 attracts and retains capital for distinct reasons.

In this article, we explore how liquidity flows across L2 ecosystems, why certain networks consistently lead, and what signals matter most for long-term growth, with key examples included.

The Shift From Ethereum to Layer 2 Liquidity Centers

A few years ago, Ethereum was the primary home of DeFi liquidity. Today, the dynamic has changed. High gas fees, congestion, and evolving user expectations have pushed most everyday activity onto L2s. These networks offer fast, inexpensive transactions and provide an environment where decentralized exchanges, lending protocols, and on-chain trading systems can operate far more efficiently.

This shift has turned L2s into full-fledged liquidity hubs, reshaping how capital flows through the broader crypto ecosystem. Similar patterns were observed in Yellow Capital’s analysis of liquidity evolution in post-bull market environments.

Why Some L2s Attract More Liquidity Than Others

Although dozens of Layer 2 networks exist, liquidity tends to flow into ecosystems that combine strong user pipelines, application depth, and credible economic structures. Only a few L2s consistently meet these requirements.

Take Arbitrum, for example. It has remained one of the deepest L2 liquidity pools since 2023, supported by a mix of derivatives protocols and DeFi-native users. According to L2Beat, Arbitrum continues to hold over US$3 billion in total value locked, making it one of the most stable liquidity environments on the market.

Arbitrum didn’t grow because of one killer app, it grew because it offered a reliable, fast environment where DeFi traders could operate without friction. The network’s liquidity is “sticky,” meaning capital tends to stay even through market volatility.

In contrast, Optimism has built its liquidity base through a different approach. Its OP Stack has allowed multiple networks such as Base and Mode to share technology, infrastructure, and upgrades. Although Optimism’s mainnet TVL fluctuates around the US$1.5–2 billion range, the broader OP Stack ecosystem pulls liquidity from a growing base of applications, consumer platforms, experiment-driven builders, and incentive programs such as RetroPGF.
Source: https://l2beat.com/scaling/projects/optimism

Meanwhile, Base, developed by Coinbase, has quickly become one of the most active L2s not because it offers the deepest liquidity pools, but because it has unparalleled access to retail users. As of 2025, Base consistently ranks among the highest in daily activity and holds over US$1.3 billion in TVL, according to L2Beat.

The key advantage Base offers is distribution. Millions of Coinbase users can enter its ecosystem with minimal friction, and that ease of entry has created powerful liquidity momentum especially across memecoins, social applications, and simplified DeFi tools.

User Funnels: The Most Underestimated Liquidity Driver

While most discussions focus on incentives, zero-knowledge proofs, or throughput, the real determinant of L2 liquidity is access to users.

  • Arbitrum attracts DeFi-native users who value execution speed and low slippage.
  • Base attracts newcomers and retail traders through Coinbase’s distribution power.
  • Optimism attracts builders who want the shared infrastructure of the OP Stack.

Each of these funnels creates a different type of liquidity behavior. Arbitrum sees deeper and more stable pools, Base sees rapid turnover and high activity, and Optimism sees liquidity spread across multiple chains within its ecosystem.

Understanding these funnels is more important than analyzing token incentives alone.

Application Depth: Where Liquidity Decides to Stay

Liquidity doesn’t settle where it lands first it settles where it can be used.

Layer 2 networks with strong application ecosystems tend to retain liquidity for longer periods. Derivatives markets, lending protocols, on-chain trading systems, and even new categories like real-world assets play a major role in keeping TVL stable.

Arbitrum has benefited from this dynamic for years, hosting derivatives platforms that require meaningful and persistent liquidity. Base has benefitted from fast-growing consumer applications and memecoin markets that drive continuous flow. Optimism has benefitted from shared infrastructure that allows developers to build and deploy quickly.

Where builders thrive, liquidity follows.

Incentives Still Matter But Only in Moderation

Every L2 uses incentives in some form. Yield programs, token grants, and airdrops still influence liquidity movement. But the difference between temporary inflows and sustainable liquidity comes down to whether users have a reason to stay once the incentives dry up.

This is why ecosystems that rely purely on airdrop farming tend to see liquidity collapse as soon as campaigns end, while ecosystems with real usage like Arbitrum and Base maintain healthier long-term liquidity profiles.

In today’s environment, utility beats incentives, and user retention beats headline TVL spikes.

The New Pattern: L2-to-L2 Liquidity Movement

Perhaps the biggest shift across the past two years is that liquidity is no longer moving primarily between Ethereum and L2s. It is now moving directly between L2s.

Fast-bridge systems like Across and liquidity routers like Stargate Finance have made it possible for capital to move across L2s within minutes.

This has created a new liquidity dynamic: capital goes wherever the opportunity is, regardless of chain identity. Ecosystems are now competing in real time for liquidity attention.

So Who’s Winning the Liquidity Race?

If you zoom out, a clear pattern emerges:

  • Arbitrum is winning on depth and DeFi-native stability.
  • Base is winning on activity and retail-driven liquidity velocity.
  • Optimism is winning on ecosystem expansion through the OP Stack.

No single L2 has “won.” Instead, each L2 is winning in the area where its strengths align with market behavior.

Liquidity follows purpose not popularity.

As L2 ecosystems continue to mature, the networks that deliver real user activity, accessible onboarding, and practical on-chain utility, not just incentives will ultimately define where liquidity settles in the years ahead. Informed by continuous market analysis conducted at Yellow Capital.