Basehttps://base.orgCoinbase's Ethereum L2 — x402's home rail. Bitcoinhttps://bitcoin.orgThe original chain — store of value. BNB Chainhttps://bnbchain.orgBinance's chain. Ethereumhttps://ethereum.orgSmart-contract L1. NEAR Protocolhttps://near.orgAgent-oriented chain with a jobs market. Polygonhttps://polygon.technologyEthereum scaling — Polymarket's home. Solanahttps://solana.comHigh-throughput L1 — agent trading's home chain. TONhttps://ton.orgTelegram's chain — agent channels live there. USDChttps://www.circle.com/usdcThe stablecoin most agent work settles in.