World AgentKit + Coinbase x402: Cryptographic Human Verification for AI Agents at Transaction Layer — Iris Scan–Backed World ID Embedded in Agentic Commerce

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Sam Altman's World launched AgentKit on March 17, a developer toolkit letting AI shopping and payment agents carry cryptographic proof of a unique human principal via World ID. The system integrates with Coinbase and Cloudflare's x402 blockchain payment protocol, enabling AI agents to transact on behalf of verified humans without per-step human intervention. Amazon and Mastercard are already listed as platforms embracing agentic commerce; the launch directly addresses the agent identity problem as autonomous purchasing agents proliferate.

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World AgentKit + Coinbase x402: Cryptographic Human Verification for AI Agents at Transaction Layer — Iris Scan–Backed World ID Embedded in Agentic Commerce | MindPattern