Blockchain Basics
Build a solid foundation in blockchain technology. Learn how blocks are created, chained together, and secured through cryptographic hashing.
🎯What You'll Learn
- ✓How blocks store and link data using cryptographic hashes
- ✓The difference between Proof of Work and Proof of Stake
- ✓How public and private keys secure blockchain transactions
- ✓The role of nodes in maintaining a decentralized network
- ✓How blockchain explorers help you track transactions
💪Skills You'll Gain
🏆Learning Outcomes
📖Interactive Modules (10)
What is a Block?
Learn the core concepts of blockchain technology, distributed ledgers, and how blocks are linked through cryptographic hashes.
Hashing Simulator
Master cryptographic hash functions like SHA-256 and their role in blockchain security and data integrity through interactive simulation.
Chaining Blocks
Explore how blocks contain data, timestamps, and hashes to form an immutable chain of records.
Proof of Work Demo
Dive into Proof of Work consensus, mining, and how computational puzzles secure the Bitcoin network.
Proof of Stake Demo
Discover Proof of Stake consensus, validators, and how Ethereum transitioned to energy-efficient validation.
Public vs Private Keys
Learn asymmetric cryptography, key pairs, and how digital signatures authenticate blockchain transactions.
Transactions & Nonce
Follow a transaction from creation to confirmation, exploring mempool, validation, and block inclusion.
Blockchain Explorer Simulation
Master blockchain explorers to track transactions, analyze blocks, and monitor network activity in real-time.
Forking & Reorganization
Understand blockchain forks, chain reorganizations, and how networks resolve conflicting chains.
Nodes & Network
Understand the roles of full nodes, light nodes, and miners in maintaining decentralized blockchain networks.