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Blocktrust Credential Workflow Platform

License

An open‑source platform for designing, automating, and managing self‑sovereign identity (SSI) workflows using DID Prism.

📚 Documentation

Extensive documentation is available to help you get started can be found here: https://docs.workflow.blocktrust.dev.

A guided video is available here: https://youtu.be/9XJUgtR4sR0.

✨ Key Features

  • IFTTT‑style workflow engine – build event‑driven processes with rich conditional logic

  • Multiple triggers – HTTP, timers, manual actions, forms, wallet interactions

  • Extensive action library

    • Issue, verify, and revoke W3C Verifiable Credentials
    • Create, update, and deactivate Decentralized Identifiers (DIDs)
    • Send HTTP requests, emails (SendGrid), DIDComm messages, and JWTs
    • Custom validation using business rules

  • Multi‑tenant by design – clean separation of organizational data

  • Visual designer – drag‑and‑drop UI for building workflows

  • Extensible & secure – written in modern .NET with a plug‑in architecture

🚀 Quick Start

1. Try the hosted instance

https://workflow.blocktrust.dev

Create an account and start building. Best for development on the preprod network.

2. Self‑Host with Docker Compose

version: "3.9"

services:
  credential-workflow-web:
    image: ghcr.io/bsandmann/workflowplatform:latest
    container_name: credential-workflow-web
    ports:
      - "80:80"
    environment:
      ASPNETCORE_ENVIRONMENT: Production
      ASPNETCORE_URLS: http://0.0.0.0:80

      AppSettings__PrismBaseUrl: https://opn.mainnet.blocktrust.dev
      AppSettings__PrismDefaultLedger: mainnet
      AppSettings__PrismBaseUrlFallback: https://opn.preprod.blocktrust.dev
      AppSettings__PrismDefaultLedgerFallback: preprod

      ConnectionStrings__DefaultConnection: Host=postgres;Username=postgres;Password=postgres;Database=workflowdatabase

      EmailSettings__SendGridKey: <YOUR_SENDGRID_KEY>
      EmailSettings__SendGridFromEmail: <YOUR_FROM_EMAIL>
      EmailSettings__DefaultFromName: Credential Workflow Platform

    depends_on:
      - postgres

  postgres:
    image: postgres:15
    container_name: credential-workflow-postgres
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      POSTGRES_DB: workflowdatabase
    volumes:
      - postgres_data:/var/lib/postgresql/data

volumes:
  postgres_data:

Tip: prefer running in a secure environment for production workloads.

3. Build from Source

See the documentation for more information

🛠 Supported Standards

  • W3C Verifiable Credentials
  • Decentralized Identifiers (DIDs)
  • DIDComm Messaging
  • JWT (JSON Web Tokens)
  • OAuth 2.0 / OpenID Connect

📄 License

This project is licensed under the Apache License 2.0 – see the LICENSE file for details.

📬 Contact

For questions, feedback, or collaboration opportunities, please reach out to the Blocktrust team at blocktrust.dev or join our Discord community.