The Web3 101 Course provides a comprehensive introduction to blockchain and decentralized technologies, designed to empower you with the foundational knowledge needed to navigate the world of Web3. The course is structured in modular sections, making it flexible for learning, remixing, and reuse based on your needs and interests.
Module 1: Introduction to Web3
- What is Web3?
- Evolution of the Internet: Web1, Web2, and Web3
- Key Principles of Web3 (Decentralization, Ownership, Trustless Systems)
- Why Web3 Matters
- Problems with Web2 (Centralization, Privacy Concerns)
- Opportunities in Web3
- Core Components of Web3
- Blockchain
- Cryptocurrencies
- Smart Contracts
Module 2: Blockchain Fundamentals
- What is Blockchain?
- Basic Structure (Blocks, Transactions, Hashes)
- How Blockchain Works
- Types of Blockchains
- Public vs. Private vs. Consortium
- Popular Blockchain Platforms (Ethereum, Bitcoin, Solana, etc.)
- Consensus Mechanisms
- Proof of Work (PoW)
- Proof of Stake (PoS)
- Other Mechanisms (e.g., Delegated PoS, Proof of Authority)
- Benefits and Challenges of Blockchain
- Security, Transparency, and Scalability
Module 3: Cryptocurrency Basics
- Introduction to Cryptocurrencies
- What is Cryptocurrency?
- Popular Cryptocurrencies (Bitcoin, Ethereum, Stablecoins)
- How Cryptocurrencies Work
- Wallets and Private Keys
- Transactions and Mining/Validation
- The Role of Cryptocurrencies in Web3
- Payments, Tokenomics, and Incentive Mechanisms
Module 4: Smart Contracts and Decentralized Applications (dApps)
- What are Smart Contracts?
- Definition and Features
- Real-World Examples
- Introduction to dApps
- What are dApps?
- Examples of dApps (DeFi, NFTs, DAOs)
- How Smart Contracts Power Web3
- Solidity Basics (Optional Hands-On)
- Security and Limitations
Module 5: Key Applications of Web3
- Decentralized Finance (DeFi)
- Overview of DeFi
- Popular DeFi Protocols (Uniswap, Aave, MakerDAO)
- Non-Fungible Tokens (NFTs)
- What are NFTs?
- Use Cases (Art, Gaming, Identity)
- Decentralized Autonomous Organizations (DAOs)
- What are DAOs?
- Governance and Voting Mechanisms
- Decentralized Identity
- Self-Sovereign Identity
- Wallet-Based Authentication
Module 6: Tools and Ecosystem
- Web3 Wallets
- Overview (Metamask, Coinbase Wallet, etc.)
- Setting Up and Using Wallets
- Blockchain Explorers
- How to Use Etherscan and Similar Tools
- Development Tools
- Frameworks (Hardhat, Truffle)
- Libraries (web-js, ethers.js)
- Understanding Gas Fees
Module 7: Challenges and Future of Web3
- Challenges in Web3 Adoption
- Scalability, Energy Consumption, Regulatory Concerns
- Emerging Technologies
- Layer 2 Solutions, zkRollups
- Cross-Chain Interoperability
- The Future of Web3
- Trends (Metaverse, GameFi)
- What Lies Ahead
Module 8: Hands-On Practice
- Setting Up a Wallet
- Create and Secure a Web3 Wallet
- Exploring dApps
- Interact with a DeFi Protocol
- Mint an NFT
- Building a Simple Smart Contract
- Writing and Deploying Smart Contracts on Testnet
- Understanding Contract Interaction
Module 9: Ethics and Best Practices
- Privacy and Security in Web3
- Protecting Wallets and Private Keys
- Avoiding Scams
- Ethical Considerations
- Responsible Use of Decentralized Technologies
- Environmental Impact of Blockchain
- Building Inclusive Communities
- Accessibility in Web3
Module 10: Emerging Technologies
- Building DAOs
- Zero-Knowledge Proof
- Layer 2 Solutions