1. Introduction to Blockchain
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What is blockchain?
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History and evolution of blockchain
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Blockchain vs. traditional databases
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Key concepts: decentralization, immutability, consensus
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Types of blockchains: public, private, consortium
2. Cryptography Basics
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Hash functions and SHA-256
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Public and private keys
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Digital signatures
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Asymmetric vs symmetric encryption
3. Blockchain Architecture
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Blocks and chains
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Transactions
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Consensus mechanisms overview (PoW, PoS, DPoS, etc.)
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Nodes and network topology
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Smart contracts overview
4. Setting Up Development Environment
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Installing and using tools like Node.js, npm
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IDEs for blockchain (Remix, VS Code, Truffle Suite)
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Introduction to Ethereum, Bitcoin, Hyperledger frameworks
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Local blockchain environments (Ganache, Hardhat)
5. Smart Contract Development
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What is a smart contract?
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Solidity programming language basics
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Writing your first smart contract
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Data types, variables, functions in Solidity
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Events and logging
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Deploying smart contracts
6. Interacting with Smart Contracts
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Using Web3.js or Ethers.js to connect to blockchain
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Sending transactions and reading data from contracts
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Handling wallet connections (MetaMask, WalletConnect)
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Building simple dApps (decentralized apps)
7. Advanced Smart Contract Concepts
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Inheritance and modular contracts
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Libraries and interfaces
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Access control and security patterns
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Handling exceptions and errors
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Gas optimization techniques
8. Decentralized Applications (dApps)
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Architecture of dApps
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Frontend frameworks integration (React, Vue.js)
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State management in dApps
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User authentication in decentralized apps
9. Blockchain Security
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Common vulnerabilities (reentrancy, overflow, front-running)
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Security best practices
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Testing and auditing smart contracts
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Tools for security analysis (MythX, Slither)
10. Other Blockchain Platforms
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Introduction to Binance Smart Chain, Polkadot, Solana
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Differences from Ethereum
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Writing contracts on other chains (Rust for Solana, etc.)
11. Real-world Use Cases & Projects
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Building a token (ERC-20)
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Creating NFTs (ERC-721/ERC-1155)
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Decentralized finance (DeFi) example projects
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Supply chain tracking dApp
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Voting systems on blockchain
12. Final Project
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Build a full-fledged dApp integrating frontend and smart contracts
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Deployment on testnet/mainnet
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Code review and presentation
13. Bonus: Blockchain Trends & Careers
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Future of blockchain tech
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NFTs, DAOs, Metaverse
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How to get a job as a blockchain developer
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Community resources and continuous learning