The x402 protocol itself still has a bunch of areas to improve, including Facilitator extensions, Scanner definition standards, diversified Provider services, the Launchpad's big battles around fair and gamified minting, etc. But we can already see Ethereum, Polygon, Monad, Solana, Avalanche, KiteAI, Xlayer, and other public chains/L2s jumping into the x402 track to flex their muscles . The story of Agent Payment is just too good to tell!