# WIA-EDU-018: Metaverse Standard v1.0 **Status:** Release Candidate **Date:** 2025-01-15 **Authors:** WIA Education Committee **Category:** Education (EDU) --- ## Abstract WIA-EDU-018 defines comprehensive standards for metaverse platforms, covering virtual world interoperability, avatar systems, digital asset ownership, virtual economies, cross-platform compatibility, and governance. This standard enables seamless connectivity between diverse metaverse platforms while ensuring user sovereignty, privacy, and true digital ownership. ## 1. Introduction ### 1.1 Purpose This standard provides: - Universal protocols for virtual world interconnectivity - Avatar format specifications and identity standards - Digital asset ownership and NFT integration - Virtual economy and transaction frameworks - Cross-platform rendering and compatibility - Privacy, security, and governance guidelines ### 1.2 Scope This standard applies to: - Educational metaverse platforms - Social virtual worlds - Gaming and entertainment environments - Enterprise and workplace metaverses - Virtual commerce and marketplaces - Cultural and creative spaces ### 1.3 Definitions - **Metaverse**: Persistent, interconnected network of 3D virtual worlds - **Avatar**: User's digital representation in virtual spaces - **Portal**: Connection point between different virtual worlds - **NFT**: Non-fungible token representing unique digital asset ownership - **DID**: Decentralized Identifier for self-sovereign identity - **Virtual Economy**: System for value exchange in virtual environments ## 2. Architecture ### 2.1 System Components ``` ┌─────────────────────────────────────────────────────────┐ │ Metaverse Ecosystem │ ├─────────────────────────────────────────────────────────┤ │ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │ │ │ Virtual │ │ Avatar & │ │ Digital │ │ │ │ Worlds │ │ Identity │ │ Assets │ │ │ └──────────────┘ └──────────────┘ └──────────────┘ │ │ ↓ ↓ ↓ │ │ ┌──────────────────────────────────────────────────┐ │ │ │ Interoperability Layer │ │ │ │ (Portals, Messaging, Asset Transfer) │ │ │ └──────────────────────────────────────────────────┘ │ │ ↓ │ │ ┌──────────────────────────────────────────────────┐ │ │ │ Blockchain & Economy Layer │ │ │ │ (NFTs, Payments, Smart Contracts) │ │ │ └──────────────────────────────────────────────────┘ │ └─────────────────────────────────────────────────────────┘ ``` ### 2.2 Virtual World Interoperability **Portal Protocol:** ```json { "portalId": "portal_xyz123", "sourceWorld": { "worldId": "wia://educational-campus", "position": { "x": 100, "y": 0, "z": 50 } }, "destinationWorld": { "worldId": "wia://science-lab", "spawnPoint": { "x": 0, "y": 0, "z": 0 } }, "bidirectional": true, "authentication": { "required": false, "method": "did-auth" }, "preserveState": { "avatar": true, "inventory": true, "progress": true } } ``` **World Discovery Registry:** - Decentralized registry of available worlds - Category-based browsing and search - User ratings and reviews - Verified and trusted badges - Real-time availability status ### 2.3 Avatar Standards **Primary Format: VRM (Virtual Reality Model)** VRM specification includes: - Humanoid bone structure - Facial expression blend shapes - Eye tracking and gaze - Physics-based clothing and hair - Material and shader definitions - License and usage rights **Alternative Formats:** - glTF 2.0 with humanoid extensions - USD (Universal Scene Description) - FBX for legacy support **Avatar Metadata:** ```json { "avatarId": "avatar_abc123", "userId": "did:wia:user_789", "format": "VRM", "modelUrl": "https://cdn.example.com/avatar_abc123.vrm", "thumbnailUrl": "https://cdn.example.com/avatar_abc123_thumb.jpg", "customization": { "bodyType": "humanoid", "height": 1.75, "proportions": "realistic" }, "wearables": [ { "slot": "head", "itemId": "hat_001", "nftContract": "0x1234...", "tokenId": "42" } ], "animations": { "standard": ["idle", "walk", "run", "jump", "wave"], "custom": ["dance_01", "celebrate"] } } ``` ## 3. Digital Asset Ownership ### 3.1 NFT Standards **Supported Standards:** - ERC-721: Unique, one-of-a-kind tokens - ERC-1155: Multi-token standard (fungible + non-fungible) - Cross-chain compatibility via bridges **Asset Metadata Schema:** ```json { "name": "Virtual Trophy", "description": "Championship trophy for quiz winners", "image": "ipfs://QmXyz.../trophy.png", "animation_url": "ipfs://QmXyz.../trophy.glb", "attributes": [ { "trait_type": "Rarity", "value": "Legendary" }, { "trait_type": "Category", "value": "Collectible" } ], "metaverse": { "format": "glTF", "model": "ipfs://QmXyz.../trophy.glb", "scale": { "x": 1.0, "y": 1.0, "z": 1.0 }, "physics": { "collider": "mesh", "mass": 2.5 }, "interoperable": true, "platforms": ["*"] } } ``` ### 3.2 Ownership Verification ``` ┌─────────────────────────────────────────────────────────┐ │ Asset Verification Flow │ ├─────────────────────────────────────────────────────────┤ │ 1. User connects wallet → DID verification │ │ 2. Platform queries blockchain → Ownership check │ │ 3. Retrieve metadata → IPFS/Arweave │ │ 4. Load 3D model → Render in world │ │ 5. Apply properties → Physics, interactions │ └─────────────────────────────────────────────────────────┘ ``` ## 4. Virtual Economy ### 4.1 Currency Systems **Platform Currencies:** - Native tokens for ecosystem-specific use - Easy onboarding, simplified UX - Convertible to cryptocurrency or fiat **Cryptocurrency Integration:** - Ethereum (ETH) - Stablecoins (USDC, DAI) - Layer 2 solutions (Polygon, Arbitrum, Optimism) **Payment Processing:** ```json { "transactionId": "tx_xyz789", "type": "asset_purchase", "from": { "userId": "did:wia:user_123", "walletAddress": "0xABC..." }, "to": { "userId": "did:wia:creator_456", "walletAddress": "0xDEF..." }, "asset": { "nftContract": "0x1234...", "tokenId": "42" }, "payment": { "amount": "0.5", "currency": "ETH", "platformFee": "0.025", "creatorRoyalty": "0.05" }, "timestamp": "2025-01-20T14:30:00Z", "status": "confirmed" } ``` ### 4.2 Smart Contracts **Creator Royalties:** - Perpetual royalty percentage (typically 2.5% - 10%) - Automated distribution on every resale - Transparent and verifiable - Multi-recipient support for collaborations ## 5. Cross-Platform Compatibility ### 5.1 Rendering Standards **OpenXR:** - Unified VR/AR API - Device-agnostic development - Support for all major headsets **WebXR:** - Browser-based VR/AR - No installation required - Progressive enhancement **WebGPU:** - High-performance web graphics - Compute shader support - Native-like rendering quality ### 5.2 Adaptive Quality Levels ```json { "qualityPresets": { "ultra": { "textureResolution": "4K", "shadows": "raytraced", "effects": "full", "targetFPS": 90 }, "high": { "textureResolution": "2K", "shadows": "dynamic", "effects": "standard", "targetFPS": 60 }, "medium": { "textureResolution": "1K", "shadows": "baked", "effects": "reduced", "targetFPS": 60 }, "low": { "textureResolution": "512px", "shadows": "simple", "effects": "minimal", "targetFPS": 30 }, "mobile": { "textureResolution": "512px", "shadows": "none", "effects": "none", "targetFPS": 30 } } } ``` ## 6. Privacy and Security ### 6.1 Data Protection **Encryption:** - End-to-end encryption for private communications - TLS/SSL for all network traffic - Encrypted storage for sensitive data **Privacy Controls:** - Granular permission settings - Location sharing controls - Activity visibility options - Data export and deletion rights (GDPR compliant) ### 6.2 Decentralized Identity (DID) ```json { "id": "did:wia:user_123", "authentication": [ { "type": "Ed25519VerificationKey2020", "publicKeyMultibase": "zH3C2AVvL..." } ], "service": [ { "type": "MetaverseProfile", "serviceEndpoint": "https://profile.wia.org/user_123" } ], "verifiableCredentials": [ { "type": "AgeVerification", "claim": "over18", "issuer": "did:wia:age_verifier" } ] } ``` ## 7. Governance ### 7.1 DAO Structure **Governance Token:** - Voting rights proportional to stake - Proposal submission requirements - Quadratic voting to reduce whale influence - Delegated voting support **Decision Domains:** - Platform rules and policies - Economic parameters (fees, inflation) - Treasury allocation - Standard updates - Dispute resolution ### 7.2 Moderation **Content Moderation:** - AI-powered detection - Community reporting - Human moderator review - Graduated enforcement - Appeals process ## 8. Implementation Requirements ### 8.1 Minimum Compliance To be WIA-EDU-018 compliant, platforms must: - ✅ Support VRM avatar format - ✅ Implement portal protocol for world connectivity - ✅ Verify NFT ownership via blockchain - ✅ Support at least one cryptocurrency payment method - ✅ Provide privacy controls (location, activity visibility) - ✅ Implement content moderation system - ✅ Support WebXR or OpenXR for VR access - ✅ Provide API documentation and SDKs ### 8.2 Recommended Features - Support for additional avatar formats (glTF, USD) - Multi-chain NFT support - Cloud streaming for low-end devices - Accessibility features (colorblind modes, subtitles) - Social recovery for account access - Governance participation mechanisms ## 9. Security Considerations - Regular security audits - Bug bounty programs - Smart contract audits before deployment - Incident response plans - User education on safety best practices - Age verification and parental controls ## 10. Future Extensions - AI-powered NPCs and assistants - Brain-computer interface support - Haptic feedback standards - Volumetric capture for photorealistic avatars - 5G/6G network optimization - Quantum-resistant cryptography --- ## Appendix A: Example Implementation See `/api/typescript/` for reference SDK implementation. ## Appendix B: Compliance Checklist See documentation at `docs.wia.org/metaverse/compliance` ## Appendix C: References - OpenXR Specification: khronos.org/openxr - WebXR Device API: w3.org/TR/webxr - VRM Format: vrm.dev - ERC-721 Standard: eips.ethereum.org/EIPS/eip-721 - DID Core: w3.org/TR/did-core --- **© 2025 SmileStory Inc. / WIA** **弘益人間 (홍익인간) · Benefit All Humanity**