
Decentralized Digital Identity Profile


Coach Name
Juan Juan
EU Organization
Sphereon
Members
- Sebastian Boender
- Maarten Boender
- Niels Klomp
CA Organization
Northern Block
Members
- Mathieu Glaude
Project Overview
The DDIP (Decentralized Digital Identity Profile) project addresses the growing demand for secure, interoperable, and user-centric digital identity solutions across borders. By creating a standardized framework rooted in decentralized identity protocols, DDIP offers organizations, governments, and users an accessible and reliable digital identity model. The project leverages open-source technology and protocols to facilitate secure issuance, management, and verification of digital identities and credentials, enhancing user autonomy and privacy while adhering to regulatory standards.
The DDIP project is particularly aligned with the needs of organizations that handle sensitive data and require strong compliance frameworks, such as GDPR, to ensure data sovereignty and privacy. This project represents a significant step towards bridging interoperability gaps in digital identity infrastructure, positioning itself as a foundational component of a global digital identity ecosystem.
Methods and approaches
Decentralized Identity Standards Integration:
DDIP builds on decentralized identity standards such as the JWT-VC Presentation Profile. By enabling digital identities through open protocols, DDIP ensures secure credential management and verification that is compatible with existing systems and accessible for varied platforms.
Cross-Border Digital Identity Interoperability:
DDIP supports interoperability across different jurisdictions and technical environments. This flexibility enables government agencies, educational institutions, and businesses to adopt a cohesive identity framework that can accommodate diverse legal and regulatory requirements.
Community-Driven Open Source Development:
The DDIP project’s commitment to open-source technology allows for continuous improvement and expansion. Through platforms like the Identity Foundation, DDIP collaborates with industry stakeholders to refine the JWT-VC Presentation Profile and other tools, making these resources publicly available for widespread use and adoption.
Key Achievements
Launch of the Decentralized Digital Identity Interoperability Protocol (DDIP):
DDIP has developed an extensive protocol that integrates both functional and technical specifications to ensure flexible adoption across various sectors. Detailed resources are publicly available through Dutch Blockchain Coalition, functional specifications, and technical specifications
Significant Contributions to the Open-Source Community:
DDIP has made substantial contributions to the open-source digital identity ecosystem. Collaborating closely with the Identity Foundation, DDIP enhanced the JWT-VC Presentation Profile to strengthen credential presentation protocols, benefiting the global community focused on decentralized digital identity.
Public Education and Outreach:
Northern Block, a project partner, has actively engaged in educating the public and stakeholders about DDIP’s innovations. A comprehensive project overview video is available to view here, offering insights into DDIP’s vision, methodology, and impact
Impact & Results
User Empowerment Through Privacy and Control
DDIP’s decentralized approach allows users to control their personal data, providing transparency about how their identity information is accessed and used. This privacy-centric model addresses critical concerns surrounding user data in centralized systems, reducing risks of data misuse and enhancing trust in digital interactions.
Enhanced Global Interoperability
DDIP’s framework is adaptable to various legal and regulatory environments, supporting organizations worldwide in adopting a standardized, yet flexible, digital identity solution. This global interoperability reduces friction in cross-border identity verification and compliance processes.
Enrichment of the Open-Source Digital Identity Community
By contributing tools, protocols, and technical specifications to the open-source community, DDIP encourages collective innovation and extends the benefits of its research and development efforts to a broader audience. This collaborative approach fuels further advancements in decentralized identity.
Publications and Open-Source Contributions
- Technical Resources: DDIP’s protocol and specifications are publicly accessible, supporting open development and deployment:
Open Source Repository: DDIP’s contributions, including enhancements to the JWT-VC Presentation Profile, are available for public collaboration through the Identity Foundation’s platform

Future directions
"Driving partnerships, open-source innovation, and sector-specific solutions for a globally interoperable digital identity ecosystem."
Enhancing Support for Sector-Specific Identity Requirements:
DDIP plans to tailor its digital identity solution to meet the unique compliance and functionality needs of different sectors.
Establishing Additional Strategic Partnerships:
Collaborations across public and private entities will extend DDIP’s reach and help drive adoption of interoperable identity solutions.
Expanding Open-Source Contributions:
By contributing more to the open-source community, DDIP aims to foster global interoperability and innovation in digital identity management.