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Creating a blockchain database

Every day more and more blockchain-based applications appear. And this is not surprising. Due to one of the key features of this technology, decentralization....

Configuring System Channel and Application Channel in Hyperledger Fabric

Introduction Early this July my article System Channel and Application Channel was about a tutorial “Adding an Org to a Channel” (link), driven by a question from...

Transacting Ether with Nethereum

This article will show you how to send Ether using a local Ethereum Node. Note You also have the possibility to run similar code directly in...

Basics of Nethereum

Nethereum is the .Net integration library for Ethereum, simplifying smart contract management and interaction with Ethereum nodes whether they are public, like Geth , Parity or private, like Quorum and Besu. Nethereum...

Converting crypto currency units with Nethereum

Documentation about Nethereum can be found at: https://docs.nethereum.com This document will walk you through Nethereum methods for converting Ethereum currency units. A primer on crypto-currency units Crypto currencies...

A Companion Guide to Fabric CA Operation Guides

This guide will illustrate how to use Fabric CA to setup a Fabric network. All identities that participate on a Hyperledger Fabric blockchain network...

Typical Setups of Fabric CA Server

Introduction Fabric CA Server provides flexibility when bringing up a Certificate Authority (CA). If we are doing testing or just a small setup, we may...

System Channel in Hyperledger Fabric

Overview It begins with a question I have been asked several times in the past few months. Some have completed the tutorial Add an Org to...

Add a Peer to an Organization in Test Network

Overview Test Network comes as a sample network since Fabric v2.0, and in v2.2 we see a more comprehensive set of scripts for flexible channel...

Developing Service-oriented Hyperledger Fabric application

Current chaincode development best practices and application samples leverages JSON data model, simple chaincode method routing and REST API architecture as the de-facto technology stack. This article proposes...

Hyperledger Fabric chaincode unit testing

Testing stage is a critical requirement for software quality assurance, doesn’t matter is this web application or a smart contract. Tests must be fast...

Developing smart contracts with buffered data model

How specifying world state data model with protocol buffers can help in developing smart contracts Chaincode is a domain-specific program that relates to specific business...
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Introductory Guide on XCFramework and Swift Package

In WWDC 2019, Apple announced a brand new feature for Xcode 11; the capability to create a new kind of binary frameworks with a special format...

Understanding Self Service Data Management

https://dts.podtrac.com/redirect.mp3/www.dataengineeringpodcast.com/podlove/file/704/s/webplayer/c/episode/Episode-159-Isima.mp3 Summary The core mission of data engineers is to provide the business with a way to ask and answer questions of their data. This often...

Understanding Machine Learning Data Preparation Techniques

Predictive modeling machine learning projects, such as classification and regression, always involve some form of data preparation. The specific data preparation required for a dataset...

Java and Python in Top List of Self taught Languages

Here's a report for the times: Specops Software sifted data from Ahrefs.com using its Google and YouTube search analytics tool to surface a list of the programming languages people most...
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