socket protocol productized polymarket's deposit-address pattern into general DeFi infrastructure. $5b+ already flowing through their cross-chain gateway. the trick is collapsing approve() + transfer() into one send. polymarket cut onboarding dropoff ~40% with this. AI agents especially need it because managing multi-step transaction sequencing with signing keys is a nightmare at scale. socket is the only cross-chain native solution at the infra layer right now. the window is 12-24 months before ERC-4337 ac ...