https://judyailab.com/en/tags/circle-arc/ Recent content in Circle Arc on Judy AI Lab https://judyailab.com/logo.jpg https://judyailab.com/logo.jpg Hugo -- 0.147.4 en Sun, 20 Sep 2026 06:08:45 +0000 https://judyailab.com/en/posts/circle-arc-mainnet-agent-commerce-builder-view/ Thu, 17 Sep 2026 10:00:00 +0000 https://judyailab.com/en/posts/circle-arc-mainnet-agent-commerce-builder-view/ Circle's Arc mainnet launched September 16, the first Layer-1 to use USDC as gas, integrating the x402 protocol for AI agent micropayments. Validated jointly by 11 institutions including BlackRock, Visa, and Mastercard, its 506ms instant finality is built for machine settlement. The author, who joined Circle's hackathon and built an agent commerce platform on the Arc testnet, shares observations and a caution.