CPQD

CPQD iD is a decentralized digital identity platform developed by CPQD that provides Self-Sovereign Identity services through a cloud-based infrastructure. The platform, launched in 2020, enables the creation, verification, and management of digital credentials for people, organizations, and assets using blockchain technology.

The solution is built on Hyperledger Indy and follows a four-layer architecture:

• Application Layer: Provides APIs for client integration
• Logic Layer: Handles credential management and business rules
• Integration Layer: Connects to cloud services and DLT networks
• Security Layer: Ensures data protection and compliance

Key technical features include:

• W3C Verifiable Credentials support
• Agent Cloud infrastructure for credential management
• Multi-factor authentication
• SOU iD mobile wallet application
• Integration with Apache Kafka for messaging
• Compliance with LGPD (Brazilian data protection law)

The platform has seen notable adoption in Brazil, with implementations including:

• Celepar (Paraná state IT company) for digital government services
• ClearSale and Confi for retail identity verification
• Central Bank of Brazil's LIFT innovation program for financial services

The project represents a significant development in the Brazilian digital identity ecosystem, providing a Software-as-a-Service model that makes decentralized identity solutions accessible to organizations of various sizes while maintaining user control over personal data through its self-sovereign architecture.