Crypto & Blockchain

Foundational concepts behind cryptocurrencies, blockchain technology, and decentralized networks.

Part of Fundamentals

What you will learn

This scope is designed to help you build a practical understanding of Crypto & Blockchain. Lessons move from core definitions to real-world context and common failure points.

Lessons

Reading in order is recommended, but each lesson stands on its own.

14 min read
Beginner

Blockchain Fundamentals

A structured introduction to blockchain as a distributed ledger: what it is, why it exists, how it works, and where it fits in the broader crypto market structure, with practical examples and clear explanations of key components and trade-offs. No investment advice.

12 min read
Beginner

What Is Cryptocurrency?

A clear, academically grounded introduction to cryptocurrency: what it is, how it works, why it exists, and where it fits within the broader market and financial system, with real-world context and balanced discussion of benefits and limitations. No investment advice or trading strategies.

12 min read
Intermediate

How Transactions Are Verified

A structured explanation of how blockchain networks verify transactions, why verification exists, how it fits into market infrastructure, and what happens from a signed message to confirmed settlement, with practical examples across different architectures.

12 min read
Beginner

Bitcoin vs Altcoins

An academic overview of how Bitcoin differs from altcoins, why the distinction exists, and how it shapes the structure, technology, and real-world uses of crypto markets without addressing trading strategies or investment advice. From monetary policy and consensus design to governance and market plumbing, this article frames the fundamentals clearl…

11 min read
Beginner

Proof of Work vs Proof of Stake

An academically grounded explanation of Proof of Work and Proof of Stake, why these mechanisms exist, how they secure public blockchains, and how their differences shape network security, performance, and market structure. Includes real-world context and non-promotional examples.

12 min read
Beginner

Public vs Private Keys

A clear, foundational explanation of public and private keys in crypto systems, why they exist, how they work together, and where they fit in the broader blockchain market structure, with practical illustrations and real-world context. No investment advice.

10 min read
Beginner

Crypto Wallets Explained

A clear, foundational guide to what crypto wallets are, how they work, why they exist, and how they fit into the broader crypto and blockchain ecosystem. Includes real-world contexts and practical examples without investment or strategy advice.','content':'Crypto wallets sit at the center of how individuals and organizations interact with blockchai…

10 min read
Intermediate

Token Supply & Inflation

A rigorous introduction to token supply and inflation in crypto and blockchain systems, covering definitions, issuance mechanisms, burns, lockups, measurement, and real-world examples such as Bitcoin and Ethereum within market structure context. No investment advice.

12 min read
Beginner

On-Chain vs Off-Chain

A clear, foundational explanation of what on-chain and off-chain mean in crypto and blockchain systems, why the distinction exists, how each fits into the broader market structure, and where hybrid designs appear in real applications and infrastructure.

12 min read
Beginner

Decentralization Explained

A rigorous introduction to decentralization in crypto and blockchain: what it means, why it exists, how it shapes market structure, how it is measured, and what real-world episodes reveal about its trade-offs and limits. No trading advice or strategies.