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30-Day Money-Back Guarantee
Development Software Engineering Ethereum

Become a Blockchain Developer with Ethereum and Solidity

Develop your first decentralized application from scratch on the Ethereum blockchain
Rating: 4.5 out of 54.5 (3,197 ratings)
16,155 students
Created by Sebastien Arbogast, Said Eloudrhiri
Last updated 3/2020
English
English [Auto], Italian [Auto]
30-Day Money-Back Guarantee

What you'll learn

  • Understand the basic philosophy behind the blockchain and distributed/decentralized applications
  • The basics of how a blockchain generally works, just enough to be able to use it as a development platform
  • Develop a distributed application, from creating a blank project to deploying it in production all the way through writing smart contracts, unit testing them, and creating a user interface for them
  • How to combine the right tools to put together a consistent and real world pragmatic development environment
  • The fundamentals of the Solidity smart contract language
  • How to use the Truffle build and testing framework (covers Truffle 4)
  • How to deploy a decentralized app to various Ethereum instances (testrpc, private chain, test chain, main net)
  • How to unit test smart contracts

Course content

10 sections • 95 lectures • 18h 2m total length

  • Preview02:41

  • How Do You Represent Value?
    06:15
  • The Internet of Value
    05:36
  • Blockchain Use Cases
    05:15

  • The 3-layer Model
    03:24
  • Blockchain Design Goals
    08:01
  • Blockchain Implementations
    09:24
  • Blockchain Instances
    05:08
  • Public Blockchains as Tricameral Systems
    06:33
  • Blockchain Key Components 1/2
    07:17
  • Blockchain Key Components 2/2
    08:04
  • What a Blockchain Is Not
    11:12

  • Hashing Functions
    07:01
  • Asymmetric Cryptography
    06:15
  • Merkle Trees
    05:15

  • Course Update for Truffle 5
    00:40
  • Preview19:45
  • Installing Ganache on Windows 8
    01:29
  • Windows environment setup
    Preview20:16
  • Preview15:11
  • Setting up a private node on MacOS
    37:52
  • Setting up a private node on Windows
    36:19
  • Setting up a private node on Linux
    34:22
  • Troubleshooting your private node
    03:38
  • Setting up MetaMask on all environments
    22:07

  • Deploying a smart contract without Truffle (1/2)
    13:04
  • Deploying a smart contract without Truffle (2/2)
    14:43
  • Working around the truffle init error in the next lesson
    01:10
  • Deploying a smart contract with Truffle (1/3)
    09:30
  • Deploying a smart contract with Truffle (2/3)
    12:21
  • Deploying a smart contract with Truffle (3/3)
    08:55
  • Blocks and transactions
    11:12
  • Gas
    15:44
  • OpCodes
    05:05
  • Sending ether
    05:56

  • ChainList application preview
    02:15
  • Sell an article: smart contract (1/2)
    12:14
  • Sell an article: smart contract (2/2)
    11:00
  • Sell an article: tests (1/2)
    10:03
  • Sell an article: tests (2/2)
    11:20
  • Sell an article: frontend preparation (1/2)
    06:54
  • Sell an article: frontend preparation (2/2)
    07:23
  • Sell an article: display article in the frontend (1/3)
    09:00
  • Sell an article: display article in the frontend (2/3)
    10:54
  • Sell an article: display article in the frontend (3/3)
    11:53
  • Sell an article from the frontend (1/2)
    07:34
  • Sell an article from the frontend (2/2)
    06:41
  • Sell an article through MetaMask
    12:36
  • Sell an article: smart contract with event (1/3)
    08:26
  • Sell an article: smart contract with event (2/3)
    09:01
  • Sell an article: smart contract with event (3/3)
    06:02
  • Sell an article: events in the frontend (1/2)
    06:39
  • Sell an article: events in the frontend (2/2)
    07:54
  • Unknown transaction when migrating with Truffle 4.0.4
    00:29
  • Deploy ChainList to a private network (1/3)
    08:04
  • Deploy ChainList to a private network (2/3)
    06:16
  • Deploy ChainList to a private network (3/3)
    05:52
  • Buy an article: smart contract (1/3)
    12:49
  • Buy an article: smart contract (2/3)
    08:24
  • Buy an article: smart contract (3/3)
    10:37
  • Buy an article: tests (1/3)
    15:38
  • Buy an article: tests (2/3)
    09:45
  • Buy an article: tests (3/3)
    13:21
  • Buy an article: frontend (1/3)
    06:10
  • Buy an article: frontend (2/3)
    05:06
  • Buy an article: frontend (3/3)
    07:24
  • List of articles: smart contract (1/4)
    08:11
  • List of articles: smart contract (2/4)
    08:09
  • List of articles: smart contract (3/4)
    08:01
  • List of articles: smart contract (4/4)
    10:46
  • List of articles: tests (1/5)
    05:18
  • List of articles: tests (2/5)
    09:35
  • List of articles: tests (3/5)
    08:30
  • List of articles: tests (4/5)
    08:15
  • List of articles: tests (5/5)
    06:38
  • List of articles: frontend (1/3)
    08:44
  • List of articles: frontend (2/3)
    04:45
  • List of articles: frontend (3/3)
    07:23
  • Smart contract deactivation (1/2)
    08:44
  • Smart contract deactivation (2/2)
    07:07
  • Function modifiers
    09:38
  • Smart contract inheritance
    09:52
  • Deploying the frontend
    22:24
  • Deploying smart contracts to the Rinkeby test net
    39:30
  • Deploying smart contracts to the main net
    26:46
  • Deploying to a test node with an Infura remote node
    12:30

  • Before we start
    00:05
  • Updating the development environment
    24:04
  • Updating contracts
    15:52
  • Adapting happy path tests
    25:45
  • Adapting exception tests
    11:41
  • Adapting the frontend
    59:56
  • ChainList Update Transcript
    38:31

  • Congratulations
    01:25

  • Preview20:03

Requirements

  • You should already have developed a couple of software applications, backend, frontend or both
  • You need a Mac, Linux or Windows 10 machine to develop the sample application
  • A basic understanding of a programming language like Javascript is definitely a plus

Description

February 2018 Update

We released the first version of this course in September 2017. Back then, the latest version of Truffle was version 3, and the best Ethereum node emulator was testrpc, on the command line. 

Then, in November 2017, the Truffle team released both Truffle 4 and a new user interface for testrpc called Ganache. Those tools had a big impact on the development lifecycle, so we took this opportunity to completely rewrite and re-shoot the practical part of this course.

We also took this opportunity to integrate most of the comments and feedbacks we got in the Q&A section of this course. So all the details you needed to troubleshoot issues are now part of the content.

This results in a consequent update with quite a few improvements:

  • Full Truffle 4 coverage, including Truffle debug and Truffle develop
  • Full Ganache coverage
  • MetaMask workarounds, tips and tricks
  • All the content has been tested on MacOS, Linux and Windows (PowerShell)
  • Code is not copy-pasted anymore, we type everything live to make it easier to follow along

Note that the old content will remain online for a few weeks, and then we will unpublish them so that students don't need to watch all the old content to complete the course and get the Udemy certificate.

If you notice any issue, bug, outdated content, missing link or resource, please let us know in the Q&A section of this course.

Welcome to "Become a Blockchain Developer with Ethereum and Solidity"!

This course is a complete introduction to decentralized application (Dapp) development on the Ethereum blockchain using the Solidity language and the Truffle build framework.

No need to know anything about the blockchain, you should just have some basic software development experience. Whether you have already written some code for backend, web or mobile applications, it should be enough to become a blockchain developer thanks to this course.

The blockchain is all the rage these days, and there is a lot of theoretical or anticipative talk around it, but this course will help you get your hands dirty with actual code in order to build your first decentralized application. This is the kind of skill that can get you an actual job as a blockchain developer, something that is in skyrocketing demand right now.

Have you ever looked back on the nineties, thinking you would have loved to be a part of the web revolution. Well, stop dreaming: the blockchain is here and it promises to be even bigger than the web or even the mobile revolution.

What we cover

  • We briefly cover the philosophy of the blockchain, both as a crypto-currency system and as a development platform
  • Then we will explain how blockchains work, what are their main components and how its ecosystem is structured
  • After that we quickly go over the main cryptographic tools you need to understand
  • We continue with a description of the perfect development environment, including tools that are used by most professional blockchain developers
  • And the biggest part of the course is dedicated to guiding you through the iterative creation, development, testing and deployment of the ChainList decentralized application

The tools we use

  • Ethereum of course
  • The Metamask Chrome extension
  • The Solidity smart contract language
  • The Truffle build and test framework (Truffle 4)
  • The Ganache Ethereum node emulator
  • Github Pages
  • Atom (text editor)
  • The Rinkeby test network

We deliberately don't reinvent the wheel or develop our own build tools because it didn't seem very pragmatic to do that. That's why we demonstrate the use of development tools like Truffle and Ganache that offer a lot of very powerful features, even though they evolve very often.

Most of the videos were shot on a Mac, but we give detailed instructions on how to set up your environment on Linux and Windows, and all the other lessons have been tested and adapted with a few OS-specific instructions.

Who this course is for:

  • Anybody with a little bit of backend and/or frontend software development experience

Featured review

Glenn Dollard
Glenn Dollard
7 courses
2 reviews
Rating: 4.5 out of 511 months ago
A thorough introduction to Ethereum development. In an area that is changing so much I found it frustrating at times when things were not working but the course authors did their best to mitigate against such issues and by the end of the course I had a working end-end dapp. I'm glad I purchased this course and well done to the instructors for guiding me through the maze than can be blockchain development.

Instructors

Sebastien Arbogast
Entrepreneur, software developer, speaker and trainer
Sebastien Arbogast
  • 4.5 Instructor Rating
  • 3,197 Reviews
  • 16,151 Students
  • 1 Course

Sebastien Arbogast is an entrepreneur, fullstack software developer, consultant, speaker and trainer with more than 12 years of experience. He owns his own consulting business and he co-founded the ChainSkills initiative with Said Eloudrhiri in 2016, with a mission to involve more developers in the blockchain ecosystem, as well as develop better tools for blockchain development.

Said Eloudrhiri
Blockchain enthusiast * Co-founder of ChainSkills
Said Eloudrhiri
  • 4.5 Instructor Rating
  • 3,197 Reviews
  • 16,151 Students
  • 1 Course

Hi, I’m Said. I work in IT since 25+ years.
Since the beginning of my career, I‘ve been involved in several projects as a developer, software architect, team leader or agile coach.
As a speaker, I have the pleasure to share my return of experiences about mobile development, agile development or the blockchain. Among them, I had the pleasure to be a speaker in Devoxx conferences with my friend Sébastien Arbogast.
I'm also an enthusiastic trainer that teaches kids to program games and robotics through some initiatives organised by the Wajug or the Devoxx4Kids.
In 2016, I have created the ChainSkills initiative with Sébastien Arbogast to educate people about the power and techniques of open blockchains as a development platform.
Last but not least, I'm a husband and the proud father of three kids.

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