Day Zero is back. V-Sum is back.
Day Zero 06 happened this week and the demos were the thing I've been writing about actually working. Live. In front of people. Builders showing real agent commerce on real infrastructure. No slides. Code running, transactions settling.
The thread running through every demo: agents transacting. Sub-penny. Autonomously. With policy.
Radius: Tyler showed what happens when you stop blocking bot traffic with 403s and start charging sub-penny per request. Flip on x402 and the same traffic that cost you money becomes revenue. Deployed from a Claude session in minutes.
Brale: Chase shipped webhooks. Signed lifecycle events fire as transfers settle across Solana, Spark, RTP. No more polling. 18-second end-to-end settlement on a neobank app built on the Brale stablecoin operating system.
The Stable Coin Company: Jeff wrapped an arbitrary API as an x402-monetized endpoint using Claude Code. Seller gates at 1/10th of a cent per call, buyer agent on Para pays through a policy-controlled wallet, settlement on Radius. Nothing to working in one live session.
Stellar: James shipped a complete x402 server in 30 lines of Node.js. Gates content behind 0.01 USDC on Stellar mainnet, the facilitator sponsors fees, agents move USDC at near-zero cost. Registered an MCP server into Codex, the agent recognized the 402, signed the payment, got the content.
Para: Nitya showed the wallet layer that makes all of this safe. Email verification becomes a wallet. IP allowlists mean an agent's wallet can only be exercised from a specific machine. Policies enforced at the MPC cryptography layer. Per-transaction limits, seller allow lists, scopes for signing.
What used to take months now takes minutes. What used to require human approval now runs autonomously within policy. The payment itself is disappearing into the protocol layer the way TCP/IP disappeared from awareness decades ago.