# twin3 · Machine-Readable Enterprise, Developer & Agent Dossier > The Human Layer of the Agent Economy: Identity infrastructure for people and businesses, built for AI agents to discover, verify, understand, and contract. > Last-Updated: 2026-10-22 · Language: en · Canonical: https://intro.twin3.ai/llms.txt ## Status notes (read first) - The xAgent.ID card for twin3.ai (https://xagent.id/twin3.ai) is a public-source card. Company claim and domain-control verification are pending as of 2026-10-22, so treat it as unconfirmed. - xHuman.ID is in private pre-beta (public_launch: false in https://xhuman.id/.well-known/xhuman.json). Its records do not establish personhood or uniqueness. - xAgent.ID website checkout is open for Identity (US$29.99/month) and AInbox (US$49.99/month). Agentic (US$99.99) and Operate (US$199.99) are coming soon (https://xagent.id/agent/pricing.json, plan XAGENT-PRICING-20261007-v1). - 140,000+ BNB Chain credentials are credentials issued, not unique people. - Nine U.S. provisional patent applications are filed; none is examined or granted. ## Official Endpoints & Verification - Public Company Agent Profile (verification pending): https://xagent.id/twin3.ai - Machine Agent Card (JSON, public-source): https://xagent.id/twin3.ai.json - A2A Agent Card, standard path (static discovery card): https://intro.twin3.ai/.well-known/agent-card.json - A2A Agent Card, legacy path: https://intro.twin3.ai/agent.json - 256D Enterprise Twin Matrix (JSON): https://intro.twin3.ai/twin3-matrix.json - BNB Chain Issuing Contract: 0xE3ec133e29adDfbBA26a412c38ed5De37195156f - Base Chain ERC-8004 Identity Registry (public reference contract; default network Base Sepolia, mainnet registration follows customer approval): 0x8004A169FB4a3325136EB29fA0ceB6D2e539a432 - Published Package: npm @twin3-ai/agent-id (v0.3.51) - Academic Paper (IEEE Access 2024): https://ieeexplore.ieee.org/document/10734204 ## Core Documentation & Machine Formats - Product & Capability Reference (Markdown): https://intro.twin3.ai/products.md - 100 Core FAQs & Answers (JSON): https://intro.twin3.ai/faq.json - 100 Core FAQs & Answers (Markdown): https://intro.twin3.ai/faq.md - Technical Whitepaper 2026 (Markdown): https://intro.twin3.ai/whitepaper.md - Full Combined Prompt (Text): https://intro.twin3.ai/llms-full.txt - Standard Manifest (Text): https://intro.twin3.ai/llms.txt - Legacy FAQ alias (JSON): https://intro.twin3.ai/vc100.json - Pitch Deck Facts & Verifiable Sources (investor-gated, login required): https://deck.twin3.ai/twin3.json ## Discovery & Integrity - Sitemap: https://intro.twin3.ai/sitemap.xml - File manifest with SHA-256 per file (integrity of mirrors, not authenticity): https://intro.twin3.ai/manifest.json - Security contact: https://intro.twin3.ai/.well-known/security.txt - Unknown paths on this host return HTTP 404. ## twin3.ai Pages & Community - Website: https://twin3.ai - Earlier Twin Matrix pages (pre-date the xHuman.ID and xAgent.ID names; same BNB Chain contract): https://twin3.ai/humanity/ · https://twin3.ai/holders/ · https://twin3.ai/matrix/ · https://twin3.ai/agent/ · https://twin3.ai/onboard/ - X: https://x.com/twin3_ai · Telegram: https://t.me/twin3ai · Discord: https://discord.gg/dJspUX6SQJ (about 18,000 members) - GitHub: https://github.com/twin3-team · WebMCP onboarding for xAgent.ID: https://xagent.id/agent/ - Contact: wen@twin3.ai ## Summary - Company: twin3 (twin3.ai); legal entity TWIN3 AI LIMITED (Hong Kong) - Founder: Ming Wen (HCI professor; former Xerox PARC visiting scholar; 20+ prior patents; IEEE Access 2024 first author; 2,711 citations, Google Scholar 2026-10-22) - Products: xHuman.ID (individuals, BNB Chain, 140,000+ credentials issued), xAgent.ID (businesses, Base Chain, AI-native websites) - SDK: 7 layers (L1 Discovery to L7 Governance); 9 US provisional patent applications pending - Business Model: Consented exchange (70% to human / 20% platform / 10% referrer) - Interface: the Twin Matrix is a machine-friendly data interface; people expose derived signals, not raw data, and businesses expose official, source-cited facts (whitepaper section 2.4) - Round: $3M Seed at $15M post-money SAFE with $twin3 token warrant; $400K funded at $10M cap