Verifiable Relationship Credentials (VRCs)

Protocolo Semántico y de Datos

A verifiable credential type specifying claims that attest a verifiable first-person trust relationship between two holders of Personhood Credentials. VRCs are issued peer-to-peer rather than by a centralized authority — each party signs a credential attesting to the relationship — and together they compose into a decentralized trust graph that can be presented in privacy-preserving ways (e.g., threshold proofs like 'has at least 50 verified relationships' without revealing the specific contacts). VRCs add a relationship-credential semantic layer on top of the W3C Verifiable Credentials Data Model. Originally proposed in the January 2025 Ayra Association paper on Verifiable Relationship Credentials; being standardized by the Decentralized Trust Graph Working Group (DTGWG) alongside PHCs .

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Detalles

Licencia N/A — specification document, not source code; reference implementations in OpenVTC (Apache-2.0) and other FPP-ecosystem projects are open source
Estado de Desarrollo 📝 Borrador
Detalle del Estado de Desarrollo Draft / Standardization in progress (specification under development at DTGWG; reference implementations underway in OpenVTC and the broader First Person Project ecosystem)
Propietario Specification origin: Ayra Association (originating paper, January 2025). Standardization: Decentralized Trust Graph Working Group (DTGWG) — joint ToIP-DIF Working Group
Propietario - Lista
  • Trust Over IP Foundation
Órgano de Gobierno Decentralized Trust Graph Working Group (joint ToIP–DIF working group) | Ayra Association (originating paper, January 2025)
País International (Ayra Association is a global trust-network governance association)
Año de Inicio 2025
Stack N/A — specification, not implementation
Financiamiento Specification work supported by sponsoring organizations of the DTGWG (ToIP, DIF, Linux Foundation Decentralized Trust, Customer Commons, Ayra Association); originating paper produced by Ayra Association
Financiamiento - Lista
  • Decentralized Identity Foundation
  • Trust Over IP Foundation
Última Investigación 1 jul 2026

Vista de topología

Esta herramienta en el centro y lo que se relaciona directamente con ella. Cada línea nombra el tipo de relación.

Vista de topología: Verifiable Relationship Credentials (VRCs)Esta herramienta en el centro y lo que se relaciona directamente con ella. Cada línea nombra el tipo de relación.VerifiableRelationshi…DIDComm (Base de)DIDCommFirst Person Project / Network (Base de, Implementaciones conformes, Protocolo hablado por)First PersonProject / Ne…OpenID for Verifiable Credentials (OpenID4VC) (Base de)OpenID forVerifiable C…OpenVTC (Base de, Implementaciones conformes)OpenVTCPersonhood Credentials (PHCs) (Basado en)PersonhoodCredentials…VCs (Basado en, Construido sobre, Cumple con, Habla el protocolo)VCsJSON-LD (Construido sobre, Habla el protocolo)JSON-LDDIDs (Cumple con)DIDsTrust Over IP Foundation (Desarrollado por, Financiado por)Trust OverIP FoundationDecentralized Identity Foundation (Financiado por, Alojado en)DecentralizedIdentity Fou…

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Protocolo Semántico y de Datos Atributos

Propietario - Lista
  • Trust Over IP Foundation
Orígenes Decentralized trust graph / Proof of social attestation (designed to extend the personhood verification provided by PHCs into a richer trust-graph structure that captures real-world relationships as cryptographic credentials)
Base de Datos N/A — credentials stored in user-controlled digital wallets; no centralized relationship database is part of the specification (this is a key architectural property — each member keeps their own portable subgraph of trust relationships)
Lenguaje de Consulta N/A — credential exchange uses standard VC presentation and verification protocols
Formatos de Datos W3C Verifiable Credentials Data Model (JSON-LD by default; other serializations possible per the underlying VC spec); threshold-based ZKP presentations for relationship counts
Edición Colaborativa en Vivo N/A
Edición de Texto Enriquecido N/A
Soporte Móvil N/A — credentials can be presented from any wallet on any platform; the specification is platform-agnostic
Soporte Web N/A — same as above
Aplicaciones Nativas N/A — same as above
Términos Free open standard (no licensing fees for adoption)
Financiamiento - Lista
  • Decentralized Identity Foundation
  • Trust Over IP Foundation
Fondos N/A — open standard, no funding round
Basado En W3C Verifiable Credentials Data Model (the underlying credential framework VRCs extend); W3C Decentralized Identifiers (for the DIDs of the two parties in each relationship); Personhood Credentials (PHCs are a prerequisite — VRCs are issued between PHC holders); Verifiable Relationship Credentials paper, Ayra Association, January 2025 (originating specification); zero-knowledge proof cryptography (for threshold-based relationship-count presentation)
Compatibilidad con la Web Semántica Full (built on W3C Verifiable Credentials Data Model, which uses JSON-LD as its primary serialization; VRC claims are expressed as RDF-compatible structured data)
Madurez del Protocolo / Estandarización W3C Draft / DTGWG standardization track (Ayra Association paper January 2025; specification work ongoing in the Decentralized Trust Graph Working Group; expected to produce a formal W3C-track specification jointly with PHCs)
Tipo de Vocabulario / Ontología Social relationships / Trust attestation (specifies a credential-type vocabulary for attesting verifiable peer-to-peer trust relationships between unique persons)
Patrón de Uso Embedded in other protocols (VRCs are exchanged via standard VC issuance and presentation protocols such as DIDComm and OpenID4VC; the specification defines the semantic content of a particular credential type rather than its transport)

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Alojado en
  • Decentralized Identity Foundation
Basado en
Construido sobre
Cumple con
Desarrollado por
  • Trust Over IP Foundation
Financiado por
  • Decentralized Identity Foundation
  • Trust Over IP Foundation
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