{
 "name": "Major Matters tracker changes",
 "publisher": "Major Matters",
 "url": "https://majormatters.co/trackers/changes",
 "license": "CC-BY-4.0",
 "updated": "2026-09-20",
 "description": "Every row that changed across the Major Matters trackers, dated and sourced. The source for the weekly what-moved digest.",
 "changes": [
  {
   "date": "2026-09-20",
   "tracker": "merchant-readiness",
   "row": "Index",
   "kind": "added",
   "summary": "First run: 29 of 92 NRF Top 100 storefronts withheld robots.txt from a self-identified agent; 16 of 63 readable files name any AI agent; 50 of 92 served a readable homepage; 3 publish a UCP profile.",
   "sourceUrl": "https://majormatters.co/trackers/merchant-readiness",
   "tracker_title": "Merchant Agent-Readiness Index",
   "tracker_url": "https://majormatters.co/trackers/merchant-readiness"
  },
  {
   "date": "2026-09-18",
   "tracker": "agent-payment-protocols",
   "row": "x402",
   "kind": "update",
   "summary": "Status note added: the x402 Foundation launched under the Linux Foundation on July 14, 2026 with 40 named members; Coinbase, Cloudflare and Stripe sit on the Technical Steering Committee.",
   "sourceUrl": "https://majormatters.co/x402",
   "tracker_title": "Agent Payment Protocols",
   "tracker_url": "https://majormatters.co/trackers/agent-payment-protocols"
  },
  {
   "date": "2026-09-16",
   "tracker": "programmable-money",
   "row": "USDC",
   "kind": "update",
   "summary": "Circle launched the Arc mainnet, a layer-one chain with USDC as the native gas token and eleven institutions producing blocks.",
   "sourceUrl": "https://www.circle.com/usdc",
   "tracker_title": "Programmable Money",
   "tracker_url": "https://majormatters.co/trackers/programmable-money"
  },
  {
   "date": "2026-09-15",
   "tracker": "programmable-money",
   "row": "Digital euro",
   "kind": "update",
   "summary": "The ECB opened a call for e-commerce and mobile-commerce merchants to join the pilot.",
   "tracker_title": "Programmable Money",
   "tracker_url": "https://majormatters.co/trackers/programmable-money"
  },
  {
   "date": "2026-09-15",
   "tracker": "programmable-money",
   "row": "Clarity Act (Digital Asset Market Clarity Act)",
   "kind": "status",
   "summary": "Senate cloture vote failed 49 to 50 over stablecoin yield and ethics provisions; the bill stays in development.",
   "tracker_title": "Programmable Money",
   "tracker_url": "https://majormatters.co/trackers/programmable-money"
  },
  {
   "date": "2026-09-14",
   "tracker": "programmable-money",
   "row": "Clarity Act (Digital Asset Market Clarity Act)",
   "kind": "added",
   "summary": "Row added for the Senate final draft of the Digital Asset Market Clarity Act.",
   "tracker_title": "Programmable Money",
   "tracker_url": "https://majormatters.co/trackers/programmable-money"
  },
  {
   "date": "2026-09-14",
   "tracker": "agent-payment-protocols",
   "row": "Universal Commerce Protocol (UCP)",
   "kind": "update",
   "summary": "Worldline launched a UCP payment handler, one of the first in Europe, so merchants can declare a payment configuration once for agent-initiated purchases.",
   "tracker_title": "Agent Payment Protocols",
   "tracker_url": "https://majormatters.co/trackers/agent-payment-protocols"
  },
  {
   "date": "2026-09-11",
   "tracker": "programmable-money",
   "row": "USDC",
   "kind": "update",
   "summary": "Circle agreed to acquire Tazapay, a Singapore B2B cross-border platform with about $25 billion in annualized volume; close expected in 2027.",
   "tracker_title": "Programmable Money",
   "tracker_url": "https://majormatters.co/trackers/programmable-money"
  },
  {
   "date": "2026-09-09",
   "tracker": "agent-payment-protocols",
   "row": "Know-Your-Agent (KYA) Interoperability Framework",
   "kind": "added",
   "summary": "Row added: Ant International, Mastercard and Visa announced a Know-Your-Agent interoperability framework for agent onboarding across networks, wallets and marketplaces.",
   "sourceUrl": "https://www.pymnts.com/cybersecurity/2026/visa-mastercard-team-with-ant-know-your-agent-framework",
   "tracker_title": "Agent Payment Protocols",
   "tracker_url": "https://majormatters.co/trackers/agent-payment-protocols"
  },
  {
   "date": "2026-09-01",
   "tracker": "programmable-money",
   "row": "Bank consortium USD stablecoin",
   "kind": "added",
   "summary": "Row added: 21 financial institutions announced a company to issue a USD stablecoin, launch targeted for H1 2027.",
   "sourceUrl": "https://www.prnewswire.com/news-releases/group-of-leading-international-financial-institutions-to-establish-stablecoin-enterprise-302866318.html",
   "tracker_title": "Programmable Money",
   "tracker_url": "https://majormatters.co/trackers/programmable-money"
  }
 ]
}