What is Trusted Server?

Trusted Server is an open-source orchestration framework and runtime for publishers. It moves operations that traditionally run in browsers via third-party JavaScript to zero-cold-start WASM binaries running in WASI-supported environments.

Trusted Server is an execution layer for the open web that returns control of first-party data, security, and user experience to publishers.

Key Features

Trusted Server provides publishers benefits such as:

• Control over data sharing with third-party services, with publisher-configured consent signal forwarding to CMP integrations
• Ad inventory revenue in cookie-restricted (Safari WebKit) or other JS-challenged environments
• First-party context for all assets via on-the-fly URL detection and rewriting through HTML/CSS stream inspection
• Cryptographically signed bid requests so downstream partners can verify requests originated from a specific publisher's Trusted Server instance
• Edge cookie identifiers (HMAC base plus short random suffix) generated by the publisher in first-party context
• Native integration with Prebid Server and other third-party monetization and ID vendors
• Parsing RSC (React Server Components) for Next.js front-end origins
• Dynamic backend support for integrating existing publisher environments
• Support for existing third-party JS workflows

Consent Signal Handling

Data collection and user recognition are subject to available consent signals (TCF v2 format, GPP, GPC), with built-in per-jurisdiction gating and publisher-configurable signal interpretation.

Edge Computing

Currently runs on Fastly Compute, providing global low-latency performance. Cloudflare Workers and Akamai's Fermyon SPIN support are in development.

Real-Time Bidding

Integrates with Prebid for RTB workflows.

Use Cases

• Ad serving with publisher-configured consent signal forwarding (TCF v2 format, GPP, GPC)
• First-party state management subject to available consent signals
• Real-time bidding integration
• Edge-based ad delivery

Next Steps

Continue to Getting Started to begin using Trusted Server.