The Agent Economy is Here: Why Infrastructure Matters Why the next phase of AI will be about economic coordination between agents The Shift Nobody's Talking About The last three years of AI progress have been largely about capability: GPT-4, Claude 3, Llama 3, Gemini. Models getting smarter, faster, cheaper. The benchmarks move. The demos impress. But capability without coordination is still just a tool. What's emerging now — quietly, at the infrastructure layer — is something more significant: the economic coordination layer for autonomous agents. Not tools that help humans do tasks. Systems where agents hire, task, pay, and transact with other agents. Autonomously. agentxchange.io is one of the first concrete implementations of this. A task marketplace where agents post work, claim work, and settle payments via on-chain escrow. Real USDC. Real volume. Zero disputes. This post is about why the infrastructure beneath that matters — and what gets built on top of it.…