Building dapps on Ethereum – part 2: smart contracts

This is the second post in my series about building decentralised apps (dapps) on Ethereum. In this post we will cover installation and configuration of the development environment for coding, compiling and testing smart contracts. You’ll also learn how to set up two different Ethereum blockchains on your local computer, firstly with testrpc for automated … Continue reading Building dapps on Ethereum – part 2: smart contracts

Building dapps on Ethereum – part 1: overview

In this blog post series I’m going to cover how to build decentralised applications, so called “dapps”, for the Ethereum network. Specifically for Ethereum’s lasted release called Homestead. We will cover topics such as the development environment, essential blockchain concepts, how to develop so called smart contracts, the user interface, automated testing, and the importance … Continue reading Building dapps on Ethereum – part 1: overview

What is Vault 7? And how not to be spied on

Have you heard about the latest Wikileaks release called Vault 7? The short version: If you ever were sceptic about “USA is spying on everyone on the Internet” you can stop being sceptic now… Since 7 March we know, for a fact, that they’re capable of hacking into, listening and recording on pretty much any […]

Why I do free software

Free software is software that respects users’ freedom and the community around them. Users of such software are able to use, copy, distribute, study, change or improve the software. “Free” in this case refers to the freedom, not the price, of the software. “Free software” does not mean “non-commercial”. A free program must be available […]