Blockchain Basics
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We will start with the fundamentals of blockchain technology, and understand what a blockchain is and how it works. In the end, you will have an intuitive understanding of hashes, blocks, blockchain, mining, proof-of-work consensus algorithm, and why a blockchain is a reliable, decentralized system.
Lessons
Blockchain Basics
29 lessons- Welcome to Blockchain Basics
- Your journey in this module
- Hashing the data
- Hashing the data - Demo
- Hashing the data - cont
- Block of data
- Block of data - Demo
- Chaining the blocks
- Chaining the blocks - Demo
- Single chains
- Distributed chains
- Which chain represents the truth?
- Making the longest chain the “true” blockchain
- A time-consuming puzzle
- Multiple computers working on the puzzle
- They solve puzzles faster
- They can also cooperate to falsify
- The risk?
- Solving the puzzle: Mining
- Solving the puzzle: Mining - Demo
- Why does it work?
- How difficult is it to find a nonce?
- Your hash rate
- Hash rate - Demo
- Solving the puzzle: Mining - Cont
- Many computers trying to solve the puzzle: Nodes
- Many computers trying to solve the puzzle: Nodes - Demo
- Recap
- You did it!