# Tessera — EU Verifiable Credential Infrastructure
# https://tessra.eu

> Tessera provides OpenID4VCI and OpenID4VP infrastructure for issuing,
> holding, and verifying digital credentials in the European Digital Identity
> Wallet (EUDIW) ecosystem. Compliant with eIDAS 2.0.

## Pages

- [Home](https://tessra.eu/): Platform overview — credential issuance and
  verification capabilities, supported standards, use cases across
  Construction & Safety, Banking & KYC, HR & Workforce, Identity & Access,
  Verified Reviews, and AI Agent Identity.
- [Platform](https://tessra.eu/platform): Technical capabilities — OpenID4VCI
  issuance, OpenID4VP verification, credential formats (SD-JWT, JWT-VC, mDoc),
  multi-tenant architecture, key management, OIDC integration, and API reference.
- [EU Age Gate](https://tessra.eu/age-gate): Privacy-preserving age
  verification for Shopify stores using the EU Digital Identity Wallet.
  Customers prove they are 18+ via OpenID4VP presentation of an
  eu.europa.ec.av.1 mDoc credential — no personal data collected.
- [eIDAS 2.0](https://tessra.eu/eidas-2): eIDAS 2.0 compliance guide — what
  the regulation requires, who needs to comply, key timeline (2024-2027), and
  how Tessera maps to ARF specifications.
- [Developer Docs](https://tessra.eu/docs): API documentation — quick start
  guide, authentication, credential issuance and verification endpoints,
  credential format reference, and DCQL query examples.
- [FAQ](https://tessra.eu/faq): Frequently asked questions about verifiable
  credentials, OpenID4VCI, OpenID4VP, eIDAS 2.0, EU Digital Identity Wallet,
  selective disclosure, and Tessera integration.
- [Security](https://tessra.eu/security): Security practices — encryption
  (TLS 1.3, AES-256), key management, data residency (EU), infrastructure
  isolation, GDPR compliance, and responsible disclosure.
- [About](https://tessra.eu/about): Company overview, credential issuance
  and verification capabilities, open standards, and contact information.
- [Privacy Policy](https://tessra.eu/privacy): GDPR-compliant privacy
  policy covering data processing, your rights, and hosting practices.

## Standards

- OpenID for Verifiable Credential Issuance (OpenID4VCI)
- OpenID for Verifiable Presentations (OpenID4VP)
- SD-JWT (Selective Disclosure JSON Web Token)
- JWT-VC (JSON Web Token Verifiable Credential)
- ISO 18013-5 mDoc
- eIDAS 2.0 / EU Digital Identity Wallet
- DCQL (Digital Credentials Query Language)
- Architecture Reference Framework (ARF)

## Contact

hello@tsera.io