Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Privacy Enhanced Lightweight Distributed Ledger Technology

Project Links

Overview

Open source code

Data block matrix examples and code:

https://github.com/usnistgov/blockmatrix - implementations in Java and in Go
https://github.com/PM-Master/blockmatrix - Java API to manage users and attributes using a blockmatrix.
https://github.com/PM-Master/NDAC - implementation as a component of Next Gen Database Access Control (NDAC)