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Has-Needs Technology Stack

This document outlines the chosen technology stack for the Has-Needs prototype, organized by architectural layer and purpose.

Primary Language

  • Rust: Chosen for its performance, memory safety, and suitability for building secure, concurrent systems.

Presentation Layer (UI)

  • Agregoire: The Agregoire browser delivers peer-to-peer IPFS and self-contained browsing features. It is well-suited for hosting Has-Needs' resource map interface, which is designed to be linguistically and culturally agnostic.
  • React + TypeScript: These web technologies power Agregoire’s UI components, supporting interactive and resilient user experiences.

Communication & Networking Layer

  • Node Marshall: Handles core network operations, including node management, state retention, and secure communication across the network.
  • Jitterbug Network: Features a biomimetic, message-centric networking topology to enhance resilience and censorship-resistance.
  • Peer-to-Peer Messaging:
    • DXOS: Facilitates peer-to-peer connections and identity management through its Persona Manager.
    • Secure Scuttlebutt (SSB): Provides secure, decentralized gossip-based messaging for peer and group interaction.
    • Matrix: Enables interoperable, decentralized, real-time communications for group and community needs.
  • Transport Protocols:
    • NATS: High-performance, lightweight messaging system.
    • MQTT: Optimized for efficient messaging, especially with IoT device contexts.

Data, Identity & API Layer

  • Persona Manager (PM): Serves as the sovereign agent, managing identities, personal data contracts, and acting as a firewall. It leverages DXOS, SSB, and Matrix for its communication functions.
  • Overlays Capture Architecture (OCA): Provides verifiable, extensible schema for Persona attributes and entity-relation-context triplets (Has, Need, Working).
  • Dynamic API Management: The PM, Node Marshall, and OCA collaborate to compose and provide secure, on-demand APIs for personal data sharing, IoT streaming, and external integrations.

Security & Verification Layer

  • Trust Kernel: Provides a secure, verifiable microkernel for core cryptographic operations, message integrity, financial passthrough functions, and more.
    • Microkernel Tech: Employs principles from seL4 and Tock for formal security verification.
  • Chain Notary: Handles the writing of transactions to personal chains using custom cryptographic logic.
    • HOKKAIDO: A dedicated cryptographic component within the Chain Notary, built using Tokio (for async operations), Ristretto (for secure cryptography), and HACL* (for verified primitives).
  • Encryption & Privacy:
    • Homomorphic Encryption: Used in Node Marshall to enable computations on encrypted data without decryption.
    • Zero-Knowledge Proofs (ZKPs): Allow statements (such as age confirmation) to be verified without exposing underlying sensitive data.

Decentralized Storage Layer

  • IPFS: Content-addressed, decentralized storage for large data objects, including shared ontologies, public Grey Lists, and personal records that do not fit on core chains.

Deployment & Ecosystem

  • Containerized Instances:
    • Personal Backup: Users can deploy containerized node instances for secure backup on personal servers or cloud providers.
    • Feature Phone Accessibility: The backend supports feature phone users, enabling interaction via SMS, voice, or photo through dedicated numbers.
  • Third-Party Service Ecosystem:
    • Protocol supports integration by external third-party providers for added functionalities.
    • Examples: Trusted physical escrow agents for contactless exchanges and specialized rapid chain validity verification services for transactions.

This architecture is purpose-built for sovereign, resilient, and privacy-preserving coordination across diverse contexts, reflecting a strong commitment to social robustness and reliability in extreme conditions.