Self Sovereign Identity

(SSI): An Approach

Control your identity through decentralized blockchain based Identity Management.

By: Azad Shaik | Tue Apr 23, 2024

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Introduction to SSI

Self-sovereign identity (SSI) is the idea that individuals should own and control their digital identities — not organizations. To create an SSI, users present their credentials to a trusted third party, which verifies that the credentials came from an issuer they trust, creating a "trust triangle".

Benefits

User Control

SSI allows individuals to have full control over their digital identities. Users can manage their identity information, decide what data to share, and with whom, reducing reliance on centralized authorities.

Privacy Reservation

With SSI, users can selectively disclose only the necessary information for a particular transaction or interaction, minimizing the exposure of personal data. This enhances privacy and reduces the risk of identity theft or misuse.

Security Enhancements

SSI relies on decentralized, cryptographic methods, making it inherently more secure than traditional centralized identity systems. This reduces the likelihood of data breaches and identity fraud, as there is no single point of failure for hackers to target.

Interoperability

SSI promotes interoperability by enabling seamless identity verification across different platforms, services, and organizations. This fosters easier integration between systems and facilitates smoother user experiences.

Reduced Identity Fatigue

With SSI, users can have a single, portable identity that they can use across various applications and services. This reduces the need for multiple accounts and passwords, simplifying the user experience and mitigating identity fatigue.

Trust and Authenticity

SSI leverages cryptographic techniques to ensure the authenticity of digital identities, thereby fostering trust between parties engaging in online transactions. This helps prevent identity spoofing and ensures that interactions are with legitimate entities.

Cost Efficiency

By eliminating the need for intermediaries and reducing administrative overhead associated with managing identities, SSI can lead to cost savings for organizations implementing IAM solutions.

Compliance and Regulations

SSI frameworks can be designed to comply with various data protection regulations, such as GDPR in Europe or CCPA in California, by giving users greater control over their personal data and ensuring consent-based data sharing practices.

Desirable Use Cases

1

Healthcare Records Management

Patients create digital identities and store verifiable credentials related to their health history, diagnoses, and treatments in their SSI wallets. When visiting a new healthcare provider, patients can selectively disclose relevant medical information for diagnosis and treatment purposes, ensuring privacy and data security.

2

Educational Credentials Verification

The university issues verifiable credentials containing academic achievements and qualifications to graduates' digital wallets using SSI standards. Graduates can share these credentials with prospective employers or other educational institutions to validate their qualifications instantly and securely, streamlining the hiring and admissions process.

3

Supply Chain Traceability

Each participant in the supply chain, including farmers, distributors, and retailers, receives digital identities and verifiable credentials attesting to the quality and authenticity of products. Consumers can scan product QR codes to access product information stored on the blockchain, verifying its origin, production process, and quality assurance measures, thereby fostering trust and transparency.

4

Digital Voting

Citizens create digital identities and receive cryptographic keys to cast verifiable ballots securely using SSI-enabled voting platforms. Each vote is recorded on the blockchain, ensuring transparency and auditability while protecting voter privacy. Voters can verify that their votes were counted accurately, increasing trust in the electoral process and reducing the risk of fraud.

Implementation Structure

01

Define Use Cases for SSI

Define the specific use cases or scenarios to implement SSI in your org.

Select correct SSI Framework

Select a correct SSI protocol from arrays like Hyperledger Indy, Sovrin, uPort, etc.

02

03

Infrastructure building

Setup infrastructure and components to support SSI including blockchain network deployment.

Generate DIDs and Keys

Generate DIDs and cryptographic keys for digital identities and encryption.

04

05

Issue Verifiable Credentials

Define the types of verifiable credentials that can be issued within the SSI ecosystem such identity attributes, qualifications, etc.

Wallet Applications

Develop or choose a wallet application to store and manage individual identities, store verifiable credentials.

06

07

Implement Trust Frameworks

Define Trust frameworks, governance models within SSI ecosystems.

User education

Educate your users about SSI and its uses as they are the key to success in your deployment.

08

Operational Tasks to keep up SSI

Ensure Compliances

Ensure that the SSI implementation complies with relevant legal and regulatory requirements, such as data protection laws (e.g., GDPR), identity verification standards (e.g., ISO 27001), and industry-specific regulations (e.g., financial services, healthcare).

Monitor and Maintain

Establish monitoring, maintenance, and incident response procedures to monitor the performance, security, and integrity of the SSI ecosystem. Implement measures for proactive maintenance, updates, and security patches to address emerging threats and vulnerabilities.

Testing

Conduct thorough testing, validation, and quality assurance to ensure the reliability, security, and scalability of the SSI implementation. Gather feedback from users and stakeholders to identify areas for improvement and iterate on the implementation iteratively.

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