PANews reported on June 5 that crypto data analyst Kofi's data showed that in May, the Base network achieved an on-chain profit of $6.98 million, the highest among all L2 networks. Optimism was second, achieving an on-chain profit of $1.57 million. Scroll, Arbitrum and Linea ranked 3 to 5. On-chain profit is equal to L2 gas fee income minus the cost of publishing batches and verifying proofs on L1.