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Transition to Web3 - Course 1 | Blockchain Basics

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!

Peer 1

Block No

Nonce

Data

Previous

Hash

Block No

Nonce

Data

Previous

Hash

Block No

Nonce

Data

Previous

Hash

Block No

Nonce

Data

Previous

Hash

Peer 2

Block No

Nonce

Data

Previous

Hash

Block No

Nonce

Data

Previous

Hash

Block No

Nonce

Data

Previous

Hash

Block No

Nonce

Data

Previous

Hash

Peer 3

Block No

Nonce

Data

Previous

Hash

Block No

Nonce

Data

Previous

Hash

Block No

Nonce

Data

Previous

Hash

Block No

Nonce

Data

Previous

Hash

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