LEDGENDD™ — LEDGEr-based Network for Document Distribution
Patented · HyperLedger · Blockchain DRM
Leveraging the HyperLedger blockchain platform, LEDGENDD promotes effective document and data publication and sharing within the Defense Research, Development, Test and Evaluation (RDT&E) community. In addition to high availability and confidentiality, LEDGENDD enables easy document authentication and integrity verification, traceable document delivery, and fine-grained access control beyond initial dissemination.
Blockchain-Backed Document Distribution
Leverages HyperLedger to create an immutable publication and dissemination record for every document — ensuring tamper-evident delivery across the full lifecycle.
Easy Authentication & Integrity Verification
Any recipient can instantly verify a document's authenticity and confirm it has not been altered since publication, with no dependency on a centralized authority.
Fine-Grained Access Control Beyond Initial Distribution
Access policies travel with the document — not just at download time. LEDGENDD enforces read, forward, and revocation rights even after the file has left the original system.
Mixed-Trust Consensus
Architecture aligns with RDT&E community governance: a consensus model designed for environments where participants span agencies, classification levels, and trust tiers.
REDI — Resilient Edge-enabled Data Interchange
Secure data exchange that works when networks don't. REDI extends the OpenTDF Zero Trust model to Disrupted, Disconnected, Intermittent, and Low-bandwidth (DDIL) environments.
Traditional data-centric stacks assume online key servers and shared identity providers — that assumption fails at the tactical edge and across coalitions. REDI couples policy directly to the data itself, so mission packages remain decryptable and policy-enforced offline using embedded W3C Verifiable Credentials and localized platform services.
REDI builds on NIRA's LEDGENDD™ technology — the same wrapper-plus-ledger patterns proven at enterprise scale with DTIC now extended to DDIL environments with portable identity and offline policy enforcement.
Offline Identity & Policy Enforcement
REDI integrates W3C Verifiable Credentials so users prove attributes locally. Revocation checks rely on cached metadata. Phase I testing validated that access decisions, credential verification, and audit logging all work with Wi-Fi disabled — no enterprise round trip required.
DDIL Localization Pipeline
Converts enterprise OpenTDF packages into DDIL-ready mission bundles — embedding VCs, CRLs, and mission-specific controls while preserving cryptographic integrity. Core OpenTDF services (Authorization, Entity Resolution, Key Access) are mirrored on the edge to evaluate policy and release keys autonomously.
Seamless Enterprise Reintegration
On reconnect, REDI synchronizes policy changes, refreshes credentials, and reconciles audit trails while preserving enterprise compatibility. Standard OpenTDF tooling can consume field-generated packages — no "mission-only formats" that break at the boundary.
Provenance You Can Take to Command
Permissioned-ledger integration (Hyperledger Fabric) provides tamper-evident chain-of-custody with device attestations, timestamps, and geotags — stronger post-mission forensics and a practical counter to deep-fake risks.
Marine Expeditionary Unit
Forward recon platoons operating in contested environments collect sensor data and can only sync during brief connectivity windows. REDI pre-packages mission TDFs, enforces offline policy, and reconciles audit trails when links return.
UAS / Public-Safety Drone
A city EOC deploying drones during a chemical incident needs to share different data slices with police, fire, hazmat, and hospitals — some on cellular, some on SATCOM, some offline. REDI embeds ABAC policy, TTL, and provenance so each agency uses only the data it is authorized for.