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Crypto and Blockchain Fundamentals: Bitcoin, Ethereum, DeFi, NFTs, and On-Chain Data

Crypto is not only a trading market. It is also a technological and financial infrastructure made of blockchains, wallets, exchanges, smart contracts, decentralized applications, stablecoins, DeFi protocols, NFTs, and on-chain data. This course teaches…

Intermediate 9 hours Crypto and Blockchain Fundamentals: Bitcoin, Ethereum, DeFi, NFTs, and On-Chain Data Crypto Infrastructure
Crypto and Blockchain Fundamentals: Bitcoin, Ethereum, DeFi, NFTs, and On-Chain Data
Course Structure
11 Lessons
Free
Watch lessons in sequence, complete the homework, answer quiz questions, then review your mistakes.
Begin Roadmap
Course Introduction

Crypto is not only a trading market. It is also a technological and financial infrastructure made of blockchains, wallets, exchanges, smart contracts, decentralized applications, stablecoins, DeFi protocols, NFTs, and on-chain data.

This course teaches students to understand crypto from the inside out. Instead of focusing only on price movement, students learn how blockchain systems work, how assets move, how protocols are built, and what risks exist in digital-asset environments.

The course begins with a Crypto Jedi orientation, helping students understand the difference between market analysis and infrastructure knowledge. Many crypto mistakes are not chart-analysis mistakes. They are operational mistakes: wrong-network transfers, unsafe wallet approvals, gas-fee misunderstanding, risky protocols, or poor custody practices.

Students then study blockchain fundamentals: blocks, transactions, nodes, consensus, wallets, public/private keys, and confirmations. This foundation prepares them to understand Bitcoin and Ethereum more clearly.

The Bitcoin lesson explains proof-of-work, mining, confirmations, scarcity, network security, and Bitcoin’s role in broader market sentiment. The Ethereum lesson introduces smart contracts, gas, decentralized applications, tokens, and the risks of interacting with protocol code.

The course continues into blockchain innovation, including scaling solutions, bridges, interoperability, tokenization, and modular infrastructure. Students learn to evaluate innovation with both curiosity and skepticism.

DeFi lessons introduce lending, borrowing, swaps, liquidity pools, yield mechanisms, protocol incentives, and major DeFi risks. Students also study pools and swap mechanisms, NFT concepts, and on-chain data.

The final lessons teach students how to read blockchain activity through transaction explorers, wallet flows, exchange inflows/outflows, whale activity, entity clustering, and network patterns. The course emphasizes that on-chain data is evidence, not certainty.

What students will learn

  • How blockchain systems record transactions
  • How wallets, keys, and confirmations work
  • How Bitcoin and Ethereum differ structurally
  • How smart contracts enable DeFi, NFTs, and tokens
  • How liquidity pools and swaps function
  • What major DeFi risks students must understand
  • How NFTs, metadata, and digital ownership work
  • How to interpret basic and advanced on-chain data

Risk note: Crypto assets, blockchain networks, DeFi protocols, and digital wallets involve significant market and operational risks. This course is educational only.

Course Philosophy

This course should feel technical, modern, and risk-aware. The atmosphere is not meme-crypto, hype, or speculation. It is infrastructure education.

The philosophy is “understand the system before using the system.” Students learn that crypto is not only a chart. It is a networked financial infrastructure with wallets, smart contracts, protocols, risks, and operational responsibilities.

Student Outcome

By the end of this course, students should understand blockchain fundamentals, Bitcoin, Ethereum, smart contracts, DeFi, NFTs, liquidity pools, swaps, and on-chain data. They should also understand major operational risks, including wallet safety, network selection, DeFi protocol risk, and data misinterpretation.

Lesson Roadmap

Course Lessons

11 lessons
01

Start the Crypto Jedi learning path by understanding crypto as both a financial market and a blockchain infrastructure system.

Video Lesson 19:58
02

Learn the foundation of blockchain technology: blocks, transactions, nodes, consensus, wallets, and network confirmations.

Video Lesson 15:26
03

Understand Bitcoin’s blockchain, proof-of-work, mining, confirmations, scarcity, and its role in the broader crypto market.

Video Lesson 18:43
04

Learn how Ethereum introduced smart contracts and became a foundation for DeFi, NFTs, tokens, and decentralized applications.

Video Lesson 16:30
05

Explore blockchain innovation including scaling, interoperability, bridges, tokenization, modular systems, and infrastructure tradeoffs.

Video Lesson 13:45
06

Understand decentralized finance, smart contract protocols, lending, swaps, liquidity pools, and how DeFi differs from traditional financial systems.

Video Lesson 17:44
07

Study the major risks of DeFi, including smart contract exploits, liquidity risk, impermanent loss, oracles, bridges, phishing, and unsustainable yield.

Video Lesson 12:29
08

Learn how liquidity pools, automated market makers, swap routing, slippage, and liquidity provider risk work in DeFi.

Video Lesson 18:11
09

Understand NFTs as blockchain-based unique tokens, including metadata, provenance, ownership records, use cases, and risks.

Video Lesson 25:36
10

Learn the basics of on-chain data, including transactions, wallet activity, exchange flows, transaction hashes, and blockchain explorers.

Video Lesson 15:01
11

Study advanced on-chain interpretation using whale activity, entity clustering, exchange reserves, stablecoin flows, and network patterns.

Video Lesson 23:29