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Mini Solidity Course: Become a Blockchain Developer

Build a payment channel that allows an ecommerce website accept cryptocurrency payments via ERC20 Tokens. e.g BNB & COMP

Free tutorial


Created by Alofe Oluwafemi


English [Auto]

What you’ll learn

  • By the end of this course you have built your first decentralised application
  • Have gained a good basic grasp on building Dapps
  • Deployed an ERC20 Token on the Ethereum The Kovan Test Network
  • How to connect your dapps with Metamask using Ethersjs
  • How to interact with a smart contract from a UI


  • A basic understanding of just HTML & javascript will do but not required


This is a free mini-course to set you on the path to becoming a blockchain developer in only 3 months.

By taking this course, you can join the high-demand market of blockchain developers earning up to $150k annually.

Since the emergence of bitcoin, blockchain has been used for many game-changing projects, including decentralized finance, cross-border payments, smart contracts, gaming, and many more.

Even if you have little experience with coding, you can still take this mini-course.

A basic understanding of just HTML & javascript will do.

And even if you don’t have any experience with coding at all!

Not to worry, in this course, we’ll provide you with a template you can download and use to follow through with the course.

Read Also -->   100 Days of Code: Data Scientist Challenge 2023

In this course, we will build a payment channel that allows an eCommerce website to accept cryptocurrency payments via ERC20 Tokens e.g Compound token (COMP), Binance Token (BNB) among others.

You will be introduced to Solidity, a programming language for the Ethereum Virtual Machine. You will also learn about tools and technologies such as Etherjs, Remix & Metamask, used to build decentralized apps.

By the end of this course;

  • You have built your first decentralized application.
  • Deployed an ERC20 Token on the Ethereum Test Network.
  • Have gained a good basic grasp on building Dapps,
  • And most of all, you would have a project to showcase,
  • Achieved more than what most people who have been trying to learn on their own for months have not achieved.

So what are you waiting for, Signup for this course, and I look forward to seeing you!

Who this course is for:

  • Anyone who want to become a blockchain developer in 2021

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Course content

4 sections • 14 lectures • 1h 8m total lengthCollapse all sections

Introduction to blockchain terminologies6 lectures • 16min

  • What is blockchain?03:58
  • Intro to Ethereum?03:45
  • Ethereum Virtual Machine02:54
  • Wei & Ether01:15
  • What is a smart contract?02:11
  • Dapps?01:40

Setup Environment3 lectures • 15min

  • Using Remix Editor07:21
  • Setting Up Metamask04:28
  • Request Ether02:54

What We Will be building4 lectures • 35min

  • What we will be building02:58
  • Project Scaffolding00:27
  • Deploy an ERC20 Token on Kovan Network18:51
  • Accepting Payment13:12

Want to Learn Solidity In Depth? Watch This!1 lecture • 2min

  • Solidity Mastery, from Beginner to Advance02:15

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