April 2026: a $292M exploit on KelpDAO + LayerZero exposed the shared-vault flaw underneath every legacy bridge. The structural answer surfacing across the industry: intent-based architectures. Users sign the outcome; solvers absorb gas, slippage, MEV, bridge risk, and execution complexity. From DEX swaps to cross-chain settlement, stablecoin payments, and AI agents, intents are reshaping on-chain finance. Here’s how solvers became the engine of Autonomous Finance — and where Radius fits in.