World and Coinbase Launch AgentKit: Cryptographic Human Identity for AI Agents
The agentic commerce wave just got a critical missing piece. On March 17, 2026, Tools for Humanity (the startup behind Sam Altman’s World project) launched AgentKit in partnership with Coinbase’s x402 protocol — a developer tool that lets AI shopping agents carry cryptographic proof that a real human stands behind their actions. This isn’t just a verification gimmick. It’s the infrastructure layer that could determine who gets to play in a projected $3–5 trillion agentic commerce market. ...