Ethereum Blockchain Development Practice Exam
Ethereum Blockchain Development Practice Exam
About Ethereum Blockchain Development Exam
The Ethereum Blockchain Development exam is designed to evaluate your expertise in creating decentralized applications (DApps) and smart contracts on the Ethereum blockchain. Ethereum is one of the most widely used blockchain platforms for building decentralized solutions, and the knowledge and skills gained from this exam are highly valuable in the blockchain development ecosystem.
Knowledge Evaluated
This exam focuses on testing your proficiency in understanding Ethereum’s core architecture and functionality, alongside your practical skills in using Ethereum’s development tools to build and deploy solutions. Topics include the fundamentals of blockchain technology, Ethereum's consensus mechanisms, Solidity programming for smart contract development, decentralized application (DApp) design, and blockchain integration practices.
Skills Required
- Understanding the core principles of blockchain technology and its implementation in Ethereum.
- Proficiency in Solidity for writing, testing, and deploying smart contracts.
- Experience in building decentralized applications using tools such as Web3.js, Truffle, and Ganache.
- Familiarity with Ethereum’s ecosystem, including gas, tokens, and consensus mechanisms.
- Awareness of common vulnerabilities in smart contracts and strategies for secure coding practices.
- Experience with Ethereum-related development tools such as Remix IDE, MetaMask, and Infura.
Who Should Take the Exam?
The Ethereum Blockchain Development exam is intended for developers, software engineers, and blockchain enthusiasts who want to deepen their understanding of Ethereum and smart contract development. This exam is ideal for those who are interested in creating decentralized applications (DApps), building smart contracts, or working within the Ethereum ecosystem. Candidates should have a basic understanding of programming languages such as JavaScript or Python and an interest in blockchain technology. Experience with Ethereum development or blockchain concepts is beneficial but not mandatory. This exam is suitable for individuals looking to enhance their blockchain development skills and advance their careers in the blockchain space.
Course Outline
The Ethereum Blockchain Development Exam covers the following topics -
Domain 1 - Course Introduction
- Your Instructor for This Course
- Target Audience for This Ethereum Course
- Course Structure - Maximizing Your Learning Experience
Domain 2 - Remix IDE
- Overview of This Section
- Setting Up Remix
- Managing Files in Remix
- Starting, Stopping, and Interacting with Smart Contracts
- Blockchain Fundamentals
- Reading from and Writing to Smart Contracts
Domain 3 - [Project] The Blockchain Messenger
- Overview
- Working with Booleans
- Handling (Unsigned) Integers
- Integer Rollover - Using SafeMath
- Understanding Strings and Bytes
- Address Types in Solidity
- Exploring the Msg Object Behind the Scenes
- Writing and Reading Functions - View vs Pure
- Understanding the Constructor
- Section Wrap-Up
- The Blockchain Messenger Implementation
Domain 4 - [Project] Smart Money - Deposit and Withdrawals
- Overview
- Installing and Setting Up MetaMask
- Getting Free Ether and Sending Transactions
- MetaMask - Behind the Scenes
- Understanding Ethereum Transactions
- Hashing in Ethereum
- Canceling or Updating Ethereum Transactions
- Using Remix with the Injected Web3 Provider
- The Payable Modifier and Msg.value
- Fallback and Receive Functions in Solidity
- Section Summary
- The Smart Money Implementation
Domain 5 - [Project] Smart Wallet
- Overview
- Using Solidity Mappings
- Mappings in Wallet Examples
- Comparing Structs and Child Contracts
- Structs and Mappings in Practice
- Handling Exceptions with Require and Assert
- Using Try/Catch in Solidity
- Deep Dive into Low-Level Solidity Calls
- Section Summary
- The Smart Wallet Implementation
Domain 6 - [Project] ERC20 Token Sale
- Overview
- Introduction to Web3.js
- Understanding the ABI Array
- Using Events as Return Variables
- Integrating MetaMask, Web3.js, and Event Listeners
- Events in Solidity - Behind the Scenes
- Using Modifiers and Inheritance in Solidity
- The Concept of Modifiers in Solidity
- Reserved Keywords in Solidity
- Destroying Smart Contracts with Self-Destruct
- Using Block Explorers and Verifying Source Code
- Understanding the ERC20 Token Standard
- Implementing an ERC20 Token Sale
Domain 7 - [Project] Non-Fungible Token (NFT)
- Introduction to the NFT Project
- Deploying an ERC721 Token from OpenZeppelin as an OpenSea NFT on Goerli Using Remix
- Setting Up Truffle Prerequisites for Windows, Linux, and Mac
- Correctly Starting a New Truffle Project and Understanding Folder Structure
- Understanding Truffle Migrations and Running Them from CLI
- Using the Truffle Console to Interact with Smart Contracts on All Networks
- Writing Your First Truffle Unit Test and Event Assertions
- Deploying Smart Contracts via HDWallet Provider vs. Truffle Dashboard
- Debugging Smart Contracts with Console.Log Inside Solidity Using Ganache
- Using the Powerful Truffle Debugger and Chain Forking
- Truffle and Smart Contract Development Summary
- Understanding ERC20 vs. ERC777 and ERC721 vs. ERC1155 Tokens
- Overview of Hardhat Setup and Configuration
- Deploying to Goerli with HardHat and Verifying Smart Contracts on Etherscan
- Unit Testing with HardHat and Console.Log in Solidity
- Setting Up and Configuring Foundry and Forge
- Adding Our NFT Contract to Foundry
- Writing Unit Tests for Foundry and Understanding VM Pranking
- Deploying Smart Contracts Using Foundry Scripts and Seed Phrases with Verification
