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 a Central Bank – Part 2

Three weeks ago I played around with Ethereum and was wondering what I can do with it (Building a Central Bank – Part 1). Meanwhile Dick wrote blog posts about Free lunch, blockchains (benefits and costs) and dapps.  He scribbled an example how smart contracts can help to organise a project like iron blogger in a …

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A practical example of benefits using blockchain technology

What we will discover in this blog post are some practical examples of how the social economics of any organisation can benefit with more auditable democracy and decentralised processes using blockchain technology. I’m writing this post in the context of the Iron Blogger (IB) organisation, but these concepts can of course scale to almost any … Continue reading A practical example of benefits using blockchain technology

Building a Central Bank – Part 1

Last week I asked if someone has an idea what Ethereum is about. Dick Olsson told me in a comment that it’s possible to create a kind of blockchain for our iron blogger project. What I know so far is the wikipedia article about Ethereum, some content of the website of the Swiss foundation Ethereum.org and a few videos from 2014 …

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Trust in Technology

A few days ago, I got enthusiastically introduced to Ethereum, a platform for decentralised applications, based on a public blockchain and using Ether as a crypto currency. The main idea of this project is building decentralised, digital networks to handle standardised agreements (smart contracts) between people, f.e. handling financial transactions, booking hotel accommodations, granting of […]

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What’s a blockchain? Can they improve our world?

Most systems that we know in life are centralised. For example, systems like governments, banks and public transport are centralised. This means that all people in the system only need to trust the one central authority that run the system for you. The only drawback is that you really need to trust that central authority […]