Blockchain Fundamentals

Master the core concepts of blockchain technology and cryptocurrencies

4 Lessons

Comprehensive learning path

90 Minutes

Estimated completion time

200 XP

Earn experience points

Module Content

Crypto Basics

Lesson 1 of 4

Cryptocurrency is a type of digital money that exists only online. Unlike traditional money (like dollars or naira), crypto isn't printed by a government or controlled by a bank.

Real-World Analogies

Digital Gold (Bitcoin)

Limited supply, trusted to hold value - stored digitally

Arcade Tokens

Used inside specific platforms to play games or buy upgrades

Internet Money

Stablecoins like USDC stay at $1 for everyday payments

Email for Money

Send crypto to wallet addresses like emailing money

The History of Digital Money

1983
David Chaum invents the concept of digital cash
1998
Nick Szabo proposes "Bit Gold" - early Bitcoin ancestor
2009
Bitcoin launched by Satoshi Nakamoto - first cryptocurrency
2015
Ethereum launches with smart contracts
2020+
Thousands of cryptocurrencies emerge for finance, art (NFTs), and education

Quick Quiz: Crypto Basics

Test your understanding of cryptocurrency fundamentals

What is the key difference between cryptocurrency and traditional money?
Cryptocurrency is printed by governments
Traditional money exists only online
Cryptocurrency isn't controlled by banks
Traditional money uses blockchain technology