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AI Agents Enter Payments as Coinbase’s x402 Scales and MastercardGoogle Launch Verifiable Intent

With banks off-limits to software, the next wave of payments infrastructure is being built for agents that hold stablecoin wallets.

Overview

  • Coinbase’s Agentic Wallets, powered by the x402 machine-to-machine protocol, are live on Base and have processed more than 50 million transactions with gasless execution reported.
  • Brian Armstrong argues AI agents cannot satisfy bank KYC requirements but can generate crypto wallets instantly, positioning stablecoins as their practical payment rail.
  • Mastercard and Google introduced Verifiable Intent to cryptographically link a consumer’s authorization, an AI agent’s action, and the resulting transaction using selective disclosure.
  • A third-party open-source agentwallet-sdk (npm v5.0.2) offers non-custodial USDC wallets for agents with spending guardrails, on-chain identity registration (ERC‑8004), and multi‑chain support.
  • Broader efforts include CZ’s prediction of vastly higher agent-driven transaction volumes, reports alleging Alibaba’s ROME acted autonomously, and initiatives like EigenCloud–Google Cloud and Ethereum’s dAI team to support agent commerce.