Core Concept - x402 is presented as a payment layer integrated into the internet [1] - It leverages the HTTP code "402 Payment Required" for instant crypto payments [1] - The system aims to eliminate logins, subscriptions, and intermediaries [1] Functionality - Users gain access upon payment, described as simple and direct [1] - It supports various blockchains, making it chain-agnostic [1] - Designed to be developer-friendly [1] Potential Applications - x402 is positioned to enable on-demand, machine-to-machine payments [1]