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license: Replace root LICENSE with Apache 2.0 as default
- Set Apache 2.0 as default license (GitHub will recognize this) - Add multi-license header explaining 3-tier structure - Update README with separate badges for Spec/Client/Server - Add comprehensive TL;DR section for developers - Fixes: GitHub showing AGPL scares away developers
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LICENSE

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Vouch Protocol License Index
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============================
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The Vouch Protocol project uses a multi-license structure to balance open collaboration,
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permissive adoption, and sustainability.
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Please consult the specific license for the component you are using:
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1. Protocol Specification (LICENSE-SPEC)
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-------------------------------------
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Path: licenses/LICENSE-SPEC
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License: Community Specification License 1.0
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Applies to: Protocol design, DID format, JWT structure, and verification flow.
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Goal: Open standard implementation rights + patent grants.
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2. Client SDK (LICENSE-CLIENT)
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---------------------------
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Path: licenses/LICENSE-CLIENT
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License: Apache License, Version 2.0
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Applies to: Signer, Keys, Audio, TypeScript SDK, and Client Integration Adapters.
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Goal: Permissive adoption (commercial & open source) for agents using the protocol.
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3. Server SDK (LICENSE-SERVER)
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---------------------------
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Path: licenses/LICENSE-SERVER
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License: GNU Affero General Public License v3.0 (AGPL-3.0)
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Applies to: Verifier, Revocation, Reputation, and Registry components.
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Goal: Ensure improvements to the core trust infrastructure are shared back to the community.
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--------------------------------------------------------------------------------
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For more details, see the licenses/ directory.
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Apache License 2.0 (Default License)
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=====================================
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Copyright 2025 Vouch Protocol Contributors
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This is the default license for the Vouch Protocol repository.
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MULTI-LICENSE NOTICE:
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---------------------
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This project uses different licenses for different components:
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• Client SDK (default): Apache License 2.0 (this file)
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- Applies to: Signer, Keys, Audio, TypeScript SDK, Client Integration Adapters
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- Use freely in commercial and open-source projects
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• Server SDK: GNU Affero General Public License v3.0 (AGPL-3.0)
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- Applies to: Verifier, Revocation, Reputation, Registry components
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- See: licenses/LICENSE-SERVER
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- Copyleft license requiring source disclosure for network services
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• Protocol Specification: Community Specification License 1.0
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- Applies to: Protocol design, DID format, JWT structure
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- See: licenses/LICENSE-SPEC
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- Open standard with patent grants
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For detailed information about which license applies to specific components,
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see the licenses/ directory and README.md.
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================================================================================
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Apache License
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Version 2.0, January 2004
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http://www.apache.org/licenses/
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TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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1. Definitions.
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"License" shall mean the terms and conditions for use, reproduction,
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and distribution as defined by Sections 1 through 9 of this document.
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END OF TERMS AND CONDITIONS

README.md

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# Vouch Protocol
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[![Discord](https://img.shields.io/badge/Discord-Join_Community-7289da?logo=discord&logoColor=white)](https://discord.gg/RXuKJDfC)
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[![License](https://img.shields.io/badge/License-Multiple-blue.svg)](https://github.com/vouch-protocol/vouch/blob/main/LICENSE)
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[![Spec: Community](https://img.shields.io/badge/Spec-Community_License-green.svg)](https://github.com/vouch-protocol/vouch/blob/main/licenses/LICENSE-SPEC)
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[![Client: Apache 2.0](https://img.shields.io/badge/Client-Apache_2.0-blue.svg)](https://github.com/vouch-protocol/vouch/blob/main/LICENSE)
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[![Server: AGPL-3.0](https://img.shields.io/badge/Server-AGPL_3.0-orange.svg)](https://github.com/vouch-protocol/vouch/blob/main/licenses/LICENSE-SERVER)
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[![Status](https://img.shields.io/badge/Status-Public_Beta-yellow)](https://github.com/vouch-protocol/vouch)
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This project uses a **3-layer license structure** to balance open collaboration and sustainability:
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1. **Specification**: Community Specification License 1.0 (Open Standard + Patent Grants)
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2. **Client SDK**: Apache 2.0 (Permissive for all uses)
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3. **Server SDK**: AGPL-3.0 (Pass-forward obligation for network services)
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1. **Specification:** [Community Specification License 1.0](https://github.com/vouch-protocol/vouch/blob/main/licenses/LICENSE-SPEC)
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- The protocol standard (open for anyone to implement)
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2. **Client SDK:** [Apache License 2.0](https://github.com/vouch-protocol/vouch/blob/main/LICENSE)
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- The reference implementation (permissive for all uses)
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3. **Server SDK:** [AGPL-3.0](https://github.com/vouch-protocol/vouch/blob/main/licenses/LICENSE-SERVER) OR Commercial License
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- Network-facing components (pass-forward obligation OR paid license)
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[View Full License Index](https://github.com/vouch-protocol/vouch/blob/main/LICENSE)
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**TL;DR for developers:**
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- ✅ Using the client library? **Apache 2.0** (use freely, even in closed-source)
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- ✅ Implementing the protocol yourself? **Community Spec License** (open standard)
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- ⚠️ Running the server component? **AGPL** (open-source your server) OR [contact us](mailto:[email protected]) for commercial license
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**Default LICENSE:** This repository's main LICENSE file is Apache 2.0 for maximum compatibility. See individual components for specific licenses.
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[View licenses/ directory](https://github.com/vouch-protocol/vouch/tree/main/licenses)
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## Defensive Disclosure (Prior Art)
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**Publication Date:** December 14, 2025

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