TechFlow reported, according to Dune data dashboard, Base network's on-chain profit for May was $6.98 million, Optimism's on-chain profit for May was $1.57 million, Scroll's on-chain profit for May was $1.35 million, Arbitrum's on-chain profit for May was $802,000, and Linea's on-chain profit for May was $612,000.
On-chain profit is calculated as L2 gas fee revenue minus the cost of posting batches and verifying proofs on Layer 1.





