The Event
Agentic Society: Panels by Day, Hackathon by Night — I went in wanting to build something that actually moved money. Not a chatbot with a blockchain sticker on it. The opening panel made it clear the industry feels the same way: the infrastructure for an agentic economy doesn't exist yet, but the window to build it is wide open.
What We Shipped
Three of us built AgentCommerce overnight. The pitch is dead simple: a Shopify vendor installs one plugin and their entire catalogue goes live on a decentralized registry, instantly discoverable by AI agents. No migration, no new dashboard — just one click from the Shopify App Store and you're in the agentic economy. On the buyer side, an AI agent handles the rest.
Vendor installs the AgentCommerce Shopify plugin → catalogue published to Hedera
User says "buy batteries"
Agent searches the registry, finds the lowest price, executes an HBAR payment
Transaction settles on-chain, order submitted back to the vendor's Shopify
The Shopify integration was key to the whole concept. There are millions of storefronts on that platform — if each one can opt in with a single plugin install, you've got a marketplace that agents can actually use. I built the interactive agent and the backend glue — Node.js, Express, Hedera SDK, plus a CLI and web interface so we could demo it both ways. The agent pipeline was intentionally linear: parse intent → query inventory → rank → pay → confirm. No fancy orchestration, just clear stages with hard boundaries between them. When real crypto is moving, you don't want ambiguity in your control flow.
The Hard Part
Wiring an AI agent to a live blockchain at 3am is a specific kind of challenge. Transaction confirmation times don't care about your deadline. SDK documentation assumes you've slept. We hit a particularly painful stretch around Hedera's message payload chunking — a decision to keep things "simple" by using one service instead of two came back to bite us in the final hours.
But that's the point of a hackathon. You make a call, live with the consequences, and ship anyway.
Result
We won. The judges liked the end-to-end integration — not just an agent that talks, but one that spends real currency and triggers real fulfilment. The Shopify plugin angle sealed it: this wasn't a demo for developers, it was a product that any vendor could adopt tomorrow. For me it confirmed something I already suspected: the most interesting work right now is at the seam between AI autonomy and systems that have actual consequences.