Private Data and Transient Data in Hyperledger Fabric

Overview

This article is inspired by a discussion on the nature of private data in Hyperledger Fabric. The feature we focus here is Private Data, while another concept of Transient Data is also introduced when using Private Data. Technically these are two different concepts. While Private Data is about keeping data inside a subgroup of organizations defined in collection definition, Transient Data is an input method when using Private Data. Interesting enough, they do not have direct relationship, though in real life, as shown below…