Blockchain Fundamentals: Bitcoin, Ethereum & DApps

Learn the fundamentals of Blockchain with Parnasree Chowdhury. This course covers Bitcoin, Ethereum, smart contracts, tokens, DApps, decentralized storage, and enterprise blockchain solutions. Through practical examples and projects, you’ll gain hands-on knowledge of wallets, Ethereum gas, and blockchain security.

📚 Course Content

Module 1: Introduction to Blockchain

• What is Blockchain?

• Key concepts: Blocks, Mining, Consensus Algorithms, Cryptographic Hashes

• Real-world applications of blockchain

Module 2: Bitcoin & Proof of Work (PoW)

• Understanding the Bitcoin network and transactions

• How mining works

• Security threats: 51% attacks and mitigation

• Mini Project: Simulate a simple Bitcoin transaction

Module 3: Ethereum & Proof of Stake (PoS)

• Ethereum network & transaction model

• Introduction to Proof of Stake consensus

• Differences between PoW and PoS

• Mini Project: Track Ethereum transactions

Module 4: Wallets & Smart Contracts

• Types of wallets: Hot vs Cold

• Introduction to Smart Contracts

• Ethereum Virtual Machine (EVM) and Externally Owned Accounts (EOA)

• Mini Project: Create a basic smart contract

Module 5: Tokens & Decentralized Applications (DApps)

• Token standards: ERC-20, ERC-721, ERC-1155

• What are DApps and how they work

• Mini Project: Deploy a simple token on a testnet

Module 6: Ethereum Data & Gas

• Permanent vs. Ephemeral data storage

• Understanding Gas and transaction fees

• Mini Project: Calculate gas cost for transactions

Module 7: Decentralized Storage

• Introduction to distributed file systems: IPFS and Swarm

• Benefits and use cases of decentralized storage

• Mini Project: Upload and retrieve files on IPFS

Module 8: Enterprise Blockchain

• Permissioned blockchain systems

• Hyperledger overview

• PBFT (Practical Byzantine Fault Tolerance) consensus

• Use cases for businesses

• Mini Project: Explore a sample Hyperledger network