75.41M x402 transactions in 30 days is no longer a demo, it is a pay-per-call market with $24.24M of flow on x402.org’s live dashboard. That turns agent browsing into a wallet-level intent graph across Browserbase sessions, search APIs, and scraper calls, and the security surface is not theoretical: a May 2026 paper found five practical x402 attacks on Base Sepolia and live endpoints.

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