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This course aims to give an overview of what you need to know to program in Solidity.
The course consists of two parts:
In the first part, I explain best practices about developing Solidity code, without explaining the Solidity language much. The idea of the first part is to get you quickly started programming Solidity code.
In the second part, I explain the Solidity language in depth.
The first part of the course is ready and consists of the chapters 2 - 6. I have recorded the videos for the Sepolia testnet. Before the Sepolia testnet is end-of-life in Q4 2026, I will record the videos again for the following Ethereum testnet.
In chapter 2, I explain some basic theory for people who do not know what a blockchain is.
In chapter 3 - 5, I explain tools that are used to develop blockchain applications:
These chapters explain the development tools Hardhat and Remix.
You will see Solidity code for making your own cryptocurrency.
You will see the JavaScript libraries ethers.js and web3.js that are used to interact with the Ethereum blockchain.
You will see how you can connect a wallet with a blockchain application. I will show MetaMask, which is a popular wallet and also WalletConnect, which acts as a bridge to connect multiple kinds of wallets with an application. I will also show how you can transfer cryptocurrencies in MetaMask.
You will see how to set up a local test blockchain on your computer and also how to interact with an Ethereum testnet on the Internet.
You will see how you can register and configure an Ethereum Name.
In chapter 6, I show how you can make a user interface that interacts with the Ethereum blockchain through the ethers.js library, it shows
how to retrieve the address of a smart contract through an Ethereum Name
how to read data from the blockchain through a default provider
how to connect MetaMask or a wallet through WalletConnect with the user interface
how to execute functions that write data to the blockchain through a connected wallet
how to search for events emitted by a smart contract
I am still working on the second part of the course that consists of all the chapters beginning from chapter 7. I will add more chapters over time. At the time of writing I have the following chapters online:
Chapter 7 that explains what the following chapters of this part will be.
Chapter 8 that explains the lexical elements of Solidity.
Chapter 9 that explains an SPDX license and pragma directives
Chapter 10 that explains the types in Solidity and how data is stored on the blockchain
Everything You Need to Know About Mastering Solidity, the Ethereum Programming Language
This course is a comprehensive and well-structured introduction to Mastering Solidity, the Ethereum Programming Language. The instructor, Toon Macharis, is a leading expert in the field with a wealth of experience in Development to share.
The course is well-structured and easy to follow, and the instructor does a great job of explaining complex concepts in a clear and concise way.
The course is divided into sections, each of which covers a different aspect related to Programming Languages. Each module contains a series of video lectures, readings, and hands-on exercises.
The instructor does a great job of explaining each topic in a clear and concise way. He/She also provides plenty of examples and exercises to help students learn the material.
One of the things I liked most about this course is that it is very practical. The instructor focuses on teaching students the skills and knowledge they need to succeed in the real world. He/She also provides students with access to a variety of resources, including templates, checklists, and cheat sheets.
Another thing I liked about this course is that it is offered on Udemy. Udemy is a great platform for taking online courses because it offers a lot of flexibility for students. Students can choose to take courses at their own pace, and they can access the course materials from anywhere with an internet connection.
Udemy also offers a variety of payment options, so students can find a plan that works for them. The course also has a very active community forum where students can ask questions and interact with each other. The instructor is also very responsive to student questions and feedback.
Overall, I highly recommend this course to anyone who is interested in learning Mastering Solidity, the Ethereum Programming Language. It is a well-organized and informative course that will teach you the skills and knowledge you need to succeed.
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