Infrastructure
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This page covers supporting infrastructure and external services that power Decentraland.
Purpose: High-quality media server for voice and video
LiveKit provides:
WebRTC media routing
Voice chat
Video conferencing
Screen sharing
Spatial audio (in development)
Access Control: Comms Gatekeeper generates time-limited tokens
Used By:
Archipelago Workers - Default voice
Worlds - Per-world voice channels
Events - Event-specific channels
Purpose: Email delivery service
Sends notification emails:
Friend requests
Event reminders
System notifications
Triggered By: Notifications system
Multiple indexing services provide fast blockchain queries:
Purpose: Custom blockchain indexer
Subsquid based indexers:
Custom data models
Fast sync times
GraphQL API
Indexes:
Land parcels (LAND NFTs)
Wearables and collections
Marketplace activity
ENS names
Purpose: Hosted GraphQL provider
Managed subgraph hosting:
High availability
Auto-scaling
Monitoring included
Purpose: Decentralized indexing protocol
The Graph network:
Decentralized indexers
Query fees in GRT
Community-operated
Purpose: Pub/sub message routing
NATS provides:
Real-time message delivery
Pub/sub patterns
Request/reply patterns
Clustering support
Used By:
Archipelago
Position updates
Social Service
Friend status
Worlds
World events
Purpose: Image format conversion and optimization
Converts images between formats:
WebP optimization
Thumbnail generation
Format conversion
GitHub: metamorph
Purpose: Avatar thumbnail generation
Generates avatar preview images:
Face shots
Full body shots
Multiple resolutions
Components:
Profile Images Consumer - Renders avatars
Profile Producer - Listens for avatar changes
Purpose: Platform-specific asset optimization
Converts deployed assets to optimized bundles for all platforms.
Registers bundles in: Asset Bundle Registry
Purpose: Level of detail variants
Generates lower-poly versions of 3D models for better performance.
Purpose: NFT reward distribution
Grants NFT rewards for actions:
Onboarding completion
Event participation
Referrals
Review Backend Services for service specifications
Check Catalyst Network for content infrastructure
See Architecture Overview for the complete picture
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