According to @jessepollak, it's a good day to build on Base; source: @jessepollak on X, Oct 20, 2025. Pollak leads Base at Coinbase, and Base is an Ethereum (ETH) Layer 2 built on the OP Stack; source: Coinbase Base announcement and Base documentation. For trading, monitor three on-chain metrics today to gauge momentum and liquidity that can impact ETH and Base ecosystem assets: Base TVL on L2Beat, Base DEX volume on Dune Analytics, and Base active addresses on BaseScan; source: L2Beat, Dune Analytics, BaseScan official dashboards. Base uses ETH as gas, so heightened activity can translate into higher ETH fee consumption on L2; source: Base documentation.