Blockchain Course Index – Dataplexa

Blockchain Course Index

Complete blockchain fundamentals roadmap covering decentralized systems, cryptography, consensus mechanisms, security, scalability, and real-world blockchain use cases.

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I. Blockchain Foundations

1.Introduction to Blockchain 2.Why Blockchain Was Created 3.Centralized vs Decentralized Systems 4.Distributed Ledger Technology 5.What is a Block 6.What is a Blockchain 7.Immutability and Transparency 8.Types of Blockchains

II. Cryptography & Transactions

9.Cryptography in Blockchain 10.Hash Functions and SHA-256 11.Public and Private Key Cryptography 12.Digital Signatures 13.Wallets and Key Management 14.Blockchain Transactions Explained 15.Transaction Lifecycle 16.Merkle Trees

III. Architecture & Networking

17.Blockchain Data Structure 18.Block Header and Block Body 19.Nodes and Peers 20.Blockchain Networking 21.Mempool and Transaction Propagation 22.Forks in Blockchain 23.Soft Fork vs Hard Fork 24.Blockchain Finality 25.Synchronization in Blockchain

IV. Consensus, Economics & Security

26.Why Consensus is Required 27.Consensus Mechanisms Overview 28.Proof of Work 29.Proof of Stake 30.Validators and Staking 31.Byzantine Fault Tolerance 32.Consensus Security Risks 33.Incentive Models in Blockchain 34.Transaction Fees and Gas 35.Blockchain Scalability Problem 36.Blockchain Trilemma 37.Layer 1 and Layer 2 Solutions 38.Blockchain Attacks

V. Use Cases, Tools & Career

39.Blockchain Use Cases 40.DeFi Overview 41.NFTs and Gaming 42.Enterprise Blockchain Concepts 43.Blockchain Tools and Explorers 44.Blockchain Career Roadmap 45.Real-World Blockchain Case Study