Ethereum L2 consolidation accelerates as general-purpose…

Zero Network's shutdown last month was just the latest signal: Ethereum's layer-2 landscape is thinning, and the networks feeling it hardest are the ones that never found a reason to exist beyond being another Ethereum-compatible chain. Base and Arbitrum now account for more than 80% of L2 DeFi TVL, per DefiLlama, while Linea's bridge deposits collapsed from $976 million in November 2025 to $367 million in May 2026 — a 60%-plus decline in six months.

Why it matters

The consolidation isn't a technology failure — it's a product failure. Espresso Systems co-founder Ben Fisch put it plainly: "There were way too many general-purpose layer twos, which frankly don't make sense as a product, because there's no reason to have many, many versions of the same thing." Former Messari analyst Alice Hou echoed the view: without blockspace demand, user activity, or developer traction, there is little reason to keep an L2 running. Ironically, the economics of launching a rollup have never been cheaper — Ethereum's 2024 Dencun upgrade slashed data-posting costs via blobs — but cheap infrastructure doesn't manufacture users.

Market impact

The winners emerging from this shakeout share one trait: distribution before chain. Coinbase's Base is the clearest example, plugging an existing user base directly into Ethereum's DeFi ecosystem. Fisch sees the next wave coming from asset managers, stablecoin issuers and tokenized-deposit platforms — businesses with real financial demand that can justify a dedicated L2 for cost control and performance. The broader read for ETH holders is mixed: fewer competing chains reduces noise, but the rollup boom's promise of a sprawling, composable superchain is giving way to a leaner, application-specific reality.