Nemil Dalal from Coinbase discusses the x402 protocol, a new open standard that enables AI agents to make cryptocurrency payments for online resources using the long-dormant HTTP 402 "Payment Required" status code. The conversation covers stablecoin fundamentals, including how they work and who maintains their stability, before exploring how crypto wallets with multi-signature capabilities could protect AI agents from adversarial attacks while keeping humans in control. They examine forward-looking questions about whether this technology could finally create a viable alternative to advertising models, what happens when millions of AI agents have wallets, and the need for reputation systems in an agent economy. The discussion highlights how cryptocurrency, originally designed to be beyond nation-state control, might become the perfect enabling technology for AI economic participation.

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