How to setup a secure Kusama Validator in 2021. A short time ago, we as 51nodes decided to host our own Kusama Validator. This article will help you to understand how you can set up your own Validator on Polkadot’s Canary Network. At the very least you will walk away…

Using Helm Charts to set up the Epirus Chain Explorer and connect it to a running Quorum network. Some weeks ago we published an article in which we refer to one of our GitHub projects that you can use to deploy a quorum network with a dynamic amount of nodes…

Setting up a dynamic raft based Quorum network for development and testing using Helm. — Motivation Following this informative article provided by my colleague Majd, in which you can learn the basics about Quorum and how to set up a minimal Quorum network using docker containers, we decided to take things a bit further and use our knowledge to provide a dynamic Quorum setup deployable to…

From Zero-Knowledge-Proofs to solutions for privacy-enhanced credentials. — Introduction and Motivation Decentralized Identities (DIDs) and Self-Sovereign-Identity (SSI) are by now a pretty well-known topic in the DLT space. Verifiable Credentials (VC) are a subset of those concepts and aim to provide a form of digital claims for people and assets. Combining the VC concept with Zero-Knowledge-Proofs (ZKP) results in privacy-enhanced credentials…

A Comparison between WebSocket and RPC Connections in Web3js — Following the build a minimal Quorum network article we decided to utilize the newly added WebSocket connections to see how the differences between RPC and WebSockets play out in a blockchain environment. In this article, we will explain how to set up a testing environment and how to run the…