Building dapps on Ethereum – part 5: Ethereum Name Service and Swarm

A common usability problem with cryptographic systems like blockchains is that accounts, smart contracts and content on the blockchain are addressed with hashes like 0x7eF963588706a8d39D481634eB46f5c54A04c584. These addresses are easy for machines to securely verify but hard for humans to type and remember. And anything that’s difficult for humans creates vulnerability vectors, like phishing attacks by … Continue reading Building dapps on Ethereum – part 5: Ethereum Name Service and Swarm

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