Month: April 2020

5 Best Hyperledger Courses & Certification [2020] [UPDATED]

1. IBM Blockchain Foundation for Developers (Coursera) 2. Blockchain Development on Hyperledger Fabric using Composer (Udemy) 3. Hyperledger Fabric and Composer – First Practical Blockchain (Udemy) 4. Blockchain Certification and Course (Digital Defynd) 5. Building Blockchains with Hyperledger (Pluralsight) 20+ Experts have compiled this list of Best Hyperledger Course, Tutorial, Training, Class, and Certification available …

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Recommendations for Smart Contract Security in Solidity

 This page demonstrates a number of solidity patterns which should generally be followed when writing smart contracts. External Calls Use caution when making external calls Calls to untrusted contracts can introduce several unexpected risks or errors. External calls may execute malicious code in that contract or any other contract that it depends upon. As …

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Traefik 2.0 + Docker — a Simple Step by Step Guide

Source: https://docs.traefik.io/assets/img/traefik-architecture.png In this tutorial we will go trough the following things: Setup and configure Traefik in a Docker container Let’s Encrypt setup for automatic HTTPS certificates Deploy a simple service (Portainer) and expose it to the internet You will find all the required configuration files in our Git repository. EDIT: Unfortunately there is currently …

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Build a single organization distributed network using Hyperledger Fabric 1.4.x

In this blog post, we’ll create a permission hyperledger fabric single organization network. I am assuming you have a basic understanding of what hyperledger fabric is and have all the necessary tools and environment variables ready. If not refer to these links before proceeding : hyperledger prerequisites hyperledger fabric binary installation guide Note all the …

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Ethereum Tutorial for Beginners: Learn in 10 Minutes

Details Last Updated: 23 April 2020 What is Ethereum? Ethereum is an open source software framework which is based on blockchain technology. A blockchain is public ledger which keeps a shared history of all the transactions distributed across a vast network of users. Ethereum is the biggest decentralized software app. It helps you to build …

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Tutorial Hyperledger Fabric: How to build your first network?

This tutorial will introduce you to the Hyperledger Fabric network and will allow you to build your own Hyperledger Fabric network. It is working on Ubuntu 16.04 with Hyperledger-Fabric version 1.0.5. The sources are available on Github: github.com/chainHero/heroes-service-network Installation Guide Prepare Environment Dependencies Configuration Crypto-Config Artifacts Docker-Compose Conclusion  1. Installation Guide a. Prepare environment Before …

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Interacting with a Smart Contract through Web3.js (Tutorial)

The following tutorial is a part of our 100% free course: Developing Ethereum Smart Contracts for Beginners In the previous lesson, we created a very simple smart contract using the Remix IDE and the Javascript VM. In this lesson, we’re going to install Ethereum TestRPC along with Web3.js to create a simple user interface that will …

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Tutorials Kubernetes Engine Documentation Google Cloud

Tutorials  |  Kubernetes Engine Documentation  |  Google Cloud Home Docs Containers Google Kubernetes Engine (GKE) Documentation Deploying applications Deploying a containerized web application Turn a simple web application into a replicated deployment running on GKE. Build a simple multi-tier web application—a guestbook—using GKE. Set up a WordPress blog with MySQL database that survives instance/container restarts.…