[Shenyu Introduced x402, AP2, and ERC-8004 on September 17] BlockBeats News, October 25: Cobo Co-founder and CEO Shenyu published a detailed infographic on September 17 introducing x402, AP2, and ERC-8004. He captioned the post: 'When AI learns to spend money: from x402 to AP2, and then to ERC-8004, exploring how to make Agents true economic entities.' According to the infographic, AP2 and x402 are payment and settlement infrastructures, while ERC-8004 is an on-chain AI Agent registry. The combination of the three represents 'the first complete tech stack in the crypto space enabling machines to become economic entities.'