---
id: references
title: Technical references and resources | EUDI Wallet
description: Access key technical references, standards, and resources supporting digital identity, verifiable credentials, and wallet implementations.
hide_title: true
sidebar_label: References
keywords: [references, technical standards, EUDI Wallet, eIDAS, OpenID4VC, verifiable credentials, digital identity, specifications, resources]
slug: /references/
---

> **Build this with an AI coding agent.** Install the iGrant.io Agent Skills, then ask your agent to build the integration:
>
> ```bash
> npx skills add L3-iGrant/skills
> ```


Some of the resources cited in our documentation are listed below.

## iGrant.io Publications

1. L. Chandran, L. Lundin, and G. Padayatti, "Transforming Personal Data Transactions with Auditable, Privacy-Preserving Data Exchange Agreements: Fostering Transparency and Trust in Digital Wallet Ecosystems," 2023 IEEE 28th International Conference on Emerging Technologies and Factory Automation (ETFA), Sinaia, Romania, 2023, pp. 1-9, doi: [10.1109/ETFA54631.2023.10275546](https://ieeexplore.ieee.org/document/10275546) [Accessed: 8 May 2024].

2. iGrant.io. (2018). Data Sharing and Consent Management: Making Consumer Choice a Business Opportunity. Available at: https://igrant.io/papers/iGrant.io_DataSharing_and_Consent_Management_v1.pdf [Accessed: 8 May 2023].

3. iGrant.io. (2019). Between the Business and the Customer: Managing Consent in a Data Sharing Economy. The Role and Influence of a DPO. Available at: https://igrant.io/papers/iGrant.io_Managing_Consent_in_a_Data_Sharing_Economy.pdf [Accessed: 8 May 2024].

4. MyData Global. (2020). Understanding MyData Operators (iGrant.io is a key contributor). Available at: https://igrant.io/papers/Understanding-Mydata-Operators.pdf [Accessed: 8 May 2023].

5. iGrant.io. (no date) Value of Trust Blog Site. Available at: https://medium.com/value-of-trust [Accessed: 8 May 2023].

6. iGrant.io. (2021) Data Agreement Specification, EU eSSIF-Lab Project Outcome, Available at: https://github.com/decentralised-dataexchange/automated-data-agreements/blob/main/docs/data-agreement-specification.md [Accessed: 8 May 2024].

7. iGrant.io. (2021) Data Agreement DID Method Specification, EU eSSIF-Lab Project Outcome, Available at: https://github.com/decentralised-dataexchange/automated-data-agreements/blob/main/docs/did-spec.md [Accessed: 18 Oct 2023].

8.  iGrant.io. (2021) Data Agreement Standards Development Repository, EU eSSIF-Lab Project Outcome, Available at: https://github.com/decentralised-dataexchange/automated-data-agreements [Accessed: 18 Oct 2023].

9.  iGrant.io. (2023) DEXA protocol demonstration, demonstrating data provenance and blockchain-enabled auditability of every personal data exchange transaction [Online video]. Posted on 8 May 2023. Available at: https://youtu.be/lATs3_ORZgk [Accessed: 8 May 2024].

10. DIDComm Messaging, 2023. [Data Disclosure Agreement 1.0](https://didcomm.org/data-disclosure-agreement/1.0/) [Accessed: 8 May 2024].

11. DIDComm Messaging, 2023. [Data Agreement Protocols](https://didcomm.org/search/?q=data%20agreement&page=1) (Search results for "data agreement").

12. L. Chandran and G. Padayatti, 2021. [DID Specification Registries: did:mydata](https://www.w3.org/TR/did-spec-registries/) (Accessed: 8 May 2024).

13. Govstack (2023), Consent BB Specification [online] Available at: https://govstack.gitbook.io/bb-consent [Accessed 11 May 2024] (Lal Chandran was a co-author of the specification)

14. Chandran, L., Lundin, L., Lindén, F., Page, P., Knowles, P., Martínez Jurado, V. & Slack, A. (2023) Linking Credentials with Data Exchange Agreements through Secured Inclusive Interfaces. Available at: https://github.com/WebOfTrustInfo/rwot11-the-hague/blob/master/final-documents/data-exchange-agreements-with-oca.pdf [Accessed 11 May 2024].


## OpenID Foundation Resources

1. OpenID Foundation (2023), 'OpenID for Verifiable Credential Issuance (OID4VCI)', Available at: https://openid.net/specs/openid-4-verifiable-credential-issuance-1_0-12.html (Accessed: 10 January, 2024).

2. OpenID Foundation (2023), OpenID 4 for Verifiable Presentations. [online] openid.net. Available at: https://openid.net/specs/openid-4-verifiable-presentations-1_0.html [Accessed 10 January, 2024].

3. OpenID Foundation (2023), 'Self-Issued OpenID Provider v2 (SIOP v2)', Available at: https://openid.net/specs/openid-connect-self-issued-v2-1_0.html [Accessed 10 January, 2024].

4. OpenID Foundation (2023), OpenID4VC High Assurance Interoperability Profile with SD-JWT VC - draft 00, Available at https://openid.net/specs/openid4vc-high-assurance-interoperability-profile-sd-jwt-vc-1_0.html (Accessed: 16 February, 2024)


## European Commission Resources

1. European Commission, 2020. A European Strategy for Data. Available at: https://ec.europa.eu/info/sites/info/files/communication-european-strategy-data-19feb2020_en.pdf [Accessed: 8 May 2024].

2. European Commission, 2020. European Data Governance Act 2020. Available at: https://ec.europa.eu/digital-single-market/en/news/data-governance-act [Accessed: 8 May 2024].

3. European Commission (2026) The European Digital Identity Wallet Architecture and Reference Framework (ARF), v2.9.0 [Online]. Available at: https://eudi.dev/2.9.0/architecture-and-reference-framework-main/ (Accessed: June 2026).

4. European Commission, 2020. Proposal for a Regulation on European data governance (Data Governance Act). Available at: https://ec.europa.eu/digital-single-market/en/news/proposal-regulation-european-data-governance-data-governance-act [Accessed: 8 May 2024]. 

5. European Commission, 2026. Architecture and Reference Framework (ARF). *GitHub repository: EU Digital Identity Wallet*. Available at: https://github.com/eu-digital-identity-wallet/eudi-doc-architecture-and-reference-framework [Accessed: June 2026].

6.  EWC Consortium. (2024) EUDI Wallet RFCs: Issue Verifiable Credential. Available at: https://github.com/EWC-consortium/eudi-wallet-rfcs/blob/main/ewc-rfc001-issue-verifiable-credential.md [Accessed: 8 May 2024].

7.  EWC Consortium. (No Date) EUDI Wallet RFCs: Present Verifiable Credentials. Available at: https://github.com/EWC-consortium/eudi-wallet-rfcs/blob/main/ewc-rfc002-present-verifiable-credentials.md [Accessed: 8 May 2024].


## Other Related Publications

1. W3C Credentials Community Group, no date. A Primer for Decentralized Identifiers. Available at: https://w3c-ccg.github.io/did-primer/ [Accessed: 8 May 2024].

2. W3C, 2022. Decentralized Identifiers (DIDs) v1.0. Available at: https://www.w3.org/TR/did-core/ [Accessed: 8 May 2024].

3. W3C, 2019. Verifiable Credentials Data Model 1.0. Available at: https://www.w3.org/TR/vc-data-model/ [Accessed: 8 May 2024].

4. gdpr-info.eu, no date. GDPR articles and resources. Available at: https://gdpr-info.eu/ [Accessed: 8 May 2024].

5. OAuth 2.0 Rich Authorization Requests, Available at: https://datatracker.ietf.org/doc/html/draft-ietf-oauth-rar-11 (Accessed: February 01, 2024)

6.  Proof Key for Code Exchange by OAuth Public Clients, Available at: https://datatracker.ietf.org/doc/html/rfc7636 (Accessed: February 01, 2024)

7.  ISO 2023. ISO 18013-5:2021 Identification cards - Personal identification - Part 5: Mobile driver's license (mDL) application. Geneva: International Organization for Standardization, Avaialble at https://www.iso.org/standard/69084.html (Accessed: February 01, 2024)

8.  ISO (2023) ISO ISO/IEC TS 27560:2023 Privacy technologies - Consent record information structure, Geneva: International Organization for Standardization, Avaialble at https://www.iso.org/standard/80392.html (Accessed: May 01, 2024)

9.  ETSI (2022) ETSI TS 119 612 V2.1.1 Electronic Signatures and Infrastructures (ESI); Trusted Lists. Available at: https://www.etsi.org/deliver/etsi_ts/119600_119699/119612/02.01.01_60/ts_119612v020101p.pdf (Accessed: June 2026).

10. European Commission (no date) EU Trusted Lists and List of Trusted Lists (LOTL), Trusted List Browser. Available at: https://eidas.ec.europa.eu/efda/tl-browser/ (Accessed: June 2026).