How We Created our Online Course

From the moment we decided to create our online course, to the moment we pushed the button to publish it on Udemy, about a year went by. And it was a year full of learning and discoveries, not just on the blockchain front, but also on the "how to make an online course" front. Now... Continue Reading →

The Byzantium Hardfork Operation

https://youtu.be/7T4ltRedw4k You might have heard that on the Ethereum blockchain, there’s gonna be a very important event soon, called the Byzantium hard fork. But before explaining what this is, let’s talk about what is a hard fork. What is a hard fork? First this is not a code fork, but a data fork. In software... Continue Reading →

Our Course is Live on Udemy!

https://www.youtube.com/watch?v=Dh54yLzk_10 Exactly one year ago, Said and I were talking about all the amazing things we had already learned about this blockchain thing. And our first conclusion was that we needed to involve more people, and especially more developers to speed up the progress and democratization of this incredible technology. That's when we started to... Continue Reading →

You Should Watch “Banking on Bitcoin”

https://youtu.be/tmxqlSevtkQ I cannot recommend warmly enough that you watch this documentary on Netflix. It is incredibly informative. It presents a lot of very interesting facts and characters involved in the genesis and early history of bitcoin and the blockchain movement as a whole. And even if it looks like the first episode of a long... Continue Reading →

Raspberry Pi and Ethereum: The Epilogue

This tutorial is part of a series of articles introduced here. In part 6, we finalized the configuration of the private blockchain. We sent ether between our nodes and verified that the database is properly synchronised. NB: It is important that what we mean by “private Ethereum blockchain” in this context has absolutely nothing to do with the “private blockchain”... Continue Reading →

Create and deploy a Smart Contract (6/6)

This tutorial is part of a series of articles introduced here. In part 5, we finalized the configuration of the private blockchain. We sent ethers between our nodes and verified that the database is properly synchronised. In this part, we will describe how to create and deploy a Smart Contract on the private blockchain. NB: It is important that what we mean... Continue Reading →

Pair the miners (4/6)

This tutorial is part of a series of articles introduced here. In part 3, we configured the miners of our private blockchain. NB: It is important that what we mean by “private Ethereum blockchain” in this context has absolutely nothing to do with the “private blockchain” championed by Hyperledger, Eris/Monax, or the recently announced Enterprise Ethereum Alliance.... Continue Reading →

Set up the private chain – miners (3/6)

This tutorial is part of a series of articles introduced here. Part 2 described how to install Ethereum on your computer. Our development environment requires the setup of a private Ethereum chain. NB: It is important that what we mean by “private Ethereum blockchain” in this context has absolutely nothing to do with the “private blockchain” championed by... Continue Reading →

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