One of the most overlooked indicators of ecosystem health is developer robustness.
This refers to how active + diverse the building scene is.
Even with the rise of new stacks/superchains, @arbitrum continues to lead where it matters:
🔸 987 protocols launched → #3 overall after BSC
🔸 398 sub-ecosystems
🔸 10,505 repos + 1,213 weekly commits, topping the L2 landscape
These metrics point to Arbitrum’s long-term staying power as a steady-state ecosystem.
When development remains this strong, quality dApps follow and Arbitrum’s blue-chip stack shows it:
💠 Lending: @aave @MorphoLabs @0xfluid @eulerfinance @Dolomite_io (~$3.02B → 55.7 % of DeFi TVL)
💠 Spot DEX: @Uniswap @CurveFinance (~$850M liquidity)
💠 Yield tokenisation: @pendle_fi (~$450M)
💠 Perp DEX: OG P2E @GMX_IO (~$442M)
💠 Innovative (value discovery) YBS layer: @USDai_Official ( $USDai / $sUSDai with ~$582M TVL)
It's clear that strong development dynamics propagates an ecosystem flywheel that further compounds ecosystem wide growth:
Robust builders → robust apps → resilient ecosystem.
It’s the simplest, yet most powerful playbook for sustainable growth imo.

h/t @DefiLlama & @artemis for the data references
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