Inji
Overviews
Inji is a verifiable credentialing stack that provides a way to share tamper-proof, instantly verifiable data which is cryptographically signed by a trusted issuer, and users can store them securely on their devices or browsers and share them when needed.
Issuer: The entity that issues the credential and makes claims about the subject (e.g., a university issuing a degree, a government issuing a passport, an employer issuing a work permit). The issuer cryptographically signs the VC. Inji's 'Issuance-module' is called Inji Certify.
Holder: The individual or entity which possesses the credential (e.g., the student with the degree, the citizen with the passport, the employee with the work permit). The holder stores and manages their VCs. Inji's 'Holder-module' is called Inji Wallet.
Verifier: The entity that requests and verifies the credential to confirm a claim (e.g., an employer checking a degree, a border agent checking a passport, a landlord checking a work permit). The verifier checks the cryptographic proofs to ensure the VC's authenticity and integrity. Inji Verify.
Some everyday examples of 'Verifiable Credentials' include:
A national ID issued as a digital credential
A diploma issued by a university
A background verification report from an employer
A subsidy or benefit eligibility certificate from a government agency
VCs allow:
Instant verification, even offline
User control over when and how data is shared
Interoperability across platforms and borders
Reduced fraud and manual checks

For a quick overview of Inji, which primarily includes Inji Wallet, Inji Verify and the Inji Certify as key components, you can watch the video titled "Inji Stack End To End Use Case Demonstration". This video provides a visual walkthrough of the key features and showcases how all modules interact through a persona-based demonstration, highlighting its real-world application. Head to the section titled “What Does Inji Include” for a comprehensive overview of how Inji functions, explaining how each component operates independently, while maintaining the interoperability necessary for seamless and secure credential verification.
Inji’s Key Capabilities
Secure Issuance: Issue verifiable credentials with digital signatures, ensuring authenticity. Cross-Platform Accessibility: Available via mobile app or web interface, ensuring inclusivity for all users. Privacy-Preserving Sharing: Users control what they share, with whom, and for how long. Offline Compatibility: Works in low-connectivity or offline environments, critical for inclusion. Fast, Trusted Verification: Credentials can be verified quickly and securely, even by non-technical service providers.
Inji Stack Components
Inji Certify – Credential Issuance Enables trusted entities to issue digitally signed credentials. Supports:
Multiple formats: JSON-LD, SD-JWT,mDOC and many more. A tool that enables issuers to seamlessly connect with existing data sources to issue verifiable credentials.
Connecting with existing databases and offering configurable credential schemas, it caters to diverse use cases across different sectors and industries.
Inji Wallet – Credential Holding and Sharing
Empowers users to manage their credentials on different devices:
Inji Mobile: Android and iOS app to download, store, and present credentials securely
Inji Web: Browser-based wallet for users without smartphones, offering print and share features
Inji Verify – Credential Verification
Allows service providers and organizations to:
Scan and validate credentials
Check credential status (validity, expiry, revocation)
Integrate with existing onboarding or service workflows
Inji Infra – Supporting Infrastructure(Upcoming)
Provides foundational services for:
Revocation management
Ledger and credential status checks
Federation and audit trail support Inji Govern – Governance and Policy Management(Upcoming) Manages rules, schemas, and compliance:
Policy definition for credential lifecycle
Schema and credential registry management
Assurance levels for ecosystem participants
Real-World Applications
Healthcare
Immunization records, medical certifications
Education
Degrees, training certificates, learning records
Social Welfare
Benefit eligibility, ration cards
Finance
KYC credentials, account onboarding
Mobility
Driving licenses, transportation passes
Employment
Job credentials, background checks
Others
Many more
Interoperability and Standards
Inji follows widely adopted open standards, ensuring flexibility and long-term sustainability:
W3C Verifiable Credentials Data Model
OpenID for Verifiable Presentation (OpenID4VP)
OpenID for Verifiable Credential Issuance (OpenID4VCI)
Claim 169
ISO/IEC 18013-5: mDoc/mDL
IETF SD-JWT-based Verifiable Credentials
W3C based SD-JWT-based Verifiable Credentials
DID (Decentralised Identifiers) support
Can interoperate with existing IAM and identity ecosystems
Component Diagram
This section will contain a clear diagram illustrating the interaction between Inji Certify, Inji Wallet (mobile + web), Inji Verify. The diagram should also show the components involved to build Inji.
How it works?
Issuance: An issuer creates a digital credential with claims about a subject and cryptographically signs it.
Holding: The signed credential is then given to the holder, who stores it securely in a digital wallet or similar application.
Presentation: When needed, the holder can present the VC (or a verifiable presentation, which can include multiple VCs or selectively disclosed information) to a verifier.
Verification: The verifier uses the cryptographic proofs within the VC to confirm that it was issued by a trusted party and has not been tampered with. This verification often involves checking against a "Verifiable Data Registry" where public keys of issuers are stored.

Summary
Inji provides a secure, inclusive, and interoperable solution for issuing and managing digital credentials. By enabling individuals to hold their credentials and share them when needed, Inji supports faster access to services while protecting privacy and reducing fraud. Whether you are:
A user needing better control over their identity and credentials,
An issuer needing to deliver secure digital certificates, or
A verifier needing reliable proof of information, Inji offers the tools you need to make digital credentialing simple, trusted, and universal.
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