Configuring the environment

Before welcoming you onboard, you will need to install a small extension called Metamask. Don't panic, I will guide you through the installation process.


What is it

MetaMask is a bridge that allows you to visit the distributed web in your browser. It includes a secure identity vault, providing a user interface to manage your identities on different sites and sign blockchain transactions.

Why do you need it

This tutorial makes you interact with a real blockchain. The contracts you write are deployed and tested from your web browser. You will familiarize yourself with a real environement and will thereafter be able to develop your own application quicker and easier.



You can install the MetaMask add-on in most browser. Just follow the links:


Once you have the extension installed, click on it. The installation process ask you for a password, do not use the same password as for your account. Here are the different steps of the installation process.

Configure Metamask

1. Privacy policies

Privacy policies

2. Setup password

Setup password

3. Default account

Default account

4. CustomRPC

Custom RPC

5. Press back and you're on the rails

Private blockchain

Now you can log in into the website. After a few seconds, you should receive enough tokens to perform the whole tutorial.

If you have already logged in, refresh the page and log in again