OKX Blockchain 60 Lectures Series
The "OKX Blockchain 60 Lectures" is a blockchain educational animated video series jointly produced by OKX & Sina Technology. Designed for users with zero blockchain knowledge, it uses articles, educational animations, and other formats to explain blockchain concepts in a vivid and accessible way through 5 major sections and 60 knowledge points, covering concepts, technology, and applications.
Episode 1: What is Blockchain? ; Episode 2: Why is it Called Blockchain? ; Episode 3: Blockchain Features - Decentralization ;
Episode 4: How Blockchain Works ; Episode 5: What Does Mining Mean? ; Episode 6: How Bitcoin Mining Works ;
Episode 7: What Does Blockchain Fork Mean? ; Episode 8: Classification of Blockchains ; Episode 9: Core Technologies of Blockchain ;
Episode 10: The Birth of Blockchain Technology ; Episode 11: Cryptography in Blockchain (Part 1) ; Episode 12: Cryptography in Blockchain (Part 2) ;
Episode 13: What is a Distributed Ledger? ; Episode 14: What is the Byzantine Generals Problem? ; Episode 15: What is a Consensus Mechanism? ;
Episode 16: What is the PoW Consensus Mechanism? ; Episode 17: What is the PoS Consensus Mechanism? ; Episode 18: What are Smart Contracts? ;
Episode 19: What Do the Four Core Technologies Do? ; Episode 20: What is the Double-Spending Problem? ; Episode 21: What is the UTXO Model? ;
Episode 22: What is a Timestamp? ; Episode 23: What is Sidechain Technology? ; Episode 24: What is Cross-Chain Technology? ;
Episode 25: What is the Lightning Network? ; Episode 26: What is Segregated Witness? ; Episode 27: What is Sharding Technology? ;
Episode 28: What Impact Has Blockchain Technology Brought? ; Episode 29: What is Bitcoin? ; Episode 30: What is the Relationship Between Bitcoin and Blockchain? ;
Episode 31: What is Cryptocurrency Halving? ; Episode 32: What is Litecoin? ; Episode 33: What is Ethereum? ;
Episode 34: What Impact Has Ethereum Brought? ; Episode 35: What Impact Has Cryptocurrency Brought? ; Episode 36: The Origin of Bitcoin ;
Episode 37: Bitcoin's Father Figure: Hal Finney ; Episode 38: Bitcoin Pizza Day ; Episode 39: The Disappearance of Satoshi Nakamoto ;
Episode 40: How Did Blockchain Technology Enter China? ; Episode 41: The Rise of Mining (Part 1) - The Birth of ASIC Miners ; Episode 42: The Rise of Mining (Part 2) - Mining Machine Wars
Episode 43: The Rise of Mining (Part 3) - The Rise of Bitmain ; Episode 44: Garage Cafe: The Birthplace of Chinese Blockchain ; Episode 45: The Development of Bitcoin and Blockchain ;
Episode 46: Vitalik and the Birth of Ethereum ; Episode 47: The 2017 "Blockchain Revolution" ; Episode 48: The Bitcoin Fork Story ;
Episode 49: 2018: Blockchain's Bubble Burst ; Episode 50: Bitcoin's Second Fork: The Hash War ; Episode 51: 2019: Giants Enter, Facebook's Cryptocurrency Dream ;
Episode 52: A New Chapter for Blockchain ; Episode 53: What are Blockchain Invoices? ; Episode 54: What is Blockchain Logistics? ;
Episode 55: What are Blockchain Games? ; Episode 56: What is Blockchain + Cross-Border Payments? ; Episode 57: What is Blockchain + Judicial Evidence? ;
Episode 58: What is Blockchain + Art? ; Episode 59: What is Blockchain + Finance? ; Episode 60: Final Summary: How to Understand "Blockchain"? ;
Bonus Episode 1: The Evolution of Money and Digital Currency ; Bonus Episode 2: What is Digital Currency? ;
DeFi Episode 1: What is DeFi? ; DeFi Episode 2: How Does Lending Work in DeFi? ; DeFi Episode 3: How Do Aggregators Work in DeFi? ;
DeFi Episode 4: How Do DEXs Work in DeFi? ; DeFi Episode 5: How Does Insurance Work in DeFi? ; DeFi Episode 6: What Impact Has DeFi Brought?
Disclaimer
This article may contain content related to products that are not available in your region. This article is provided for general informational purposes only and no responsibility is accepted for any errors of fact or omissions expressed herein. This article represents the author's personal views only and does not represent the views of OKX. This article is not intended to provide advice of any kind, including but not limited to: (i) investment advice or investment recommendations; (ii) an offer or solicitation to buy, sell or hold digital assets; or (iii) financial, accounting, legal or tax advice. Holdings of digital assets (including stablecoins) involve high risk, can fluctuate significantly, and may even become worthless. You should carefully consider whether trading or holding digital assets is suitable for you based on your financial situation. Please consult your legal/tax/investment professional for questions about your specific circumstances. Information (including market data and statistical information, if any) appearing in this article is for general informational purposes only. While all reasonable care has been taken in preparing this data and charts, no responsibility is accepted for any errors of fact or omissions expressed herein. © 2025 OKX. This article may be reproduced or distributed in its entirety, or excerpts of 100 words or less may be used, provided such use is non-commercial. Any reproduction or distribution of the entire article must also prominently state: "This article is © 2025 OKX and is used with permission." Permitted excerpts must cite the article title and include attribution, for example "Article Title, [author name if applicable], © 2025 OKX". Some content may be generated or assisted by artificial intelligence (AI) tools. No derivative works or other uses of this article are permitted.
Show More
Recommended Reading
How to Unfreeze Your OKX Account: Documents and Steps Explained
# How to Unfreeze Your OKX Account: Documents and Steps Explained Being locked out of your OKX account can be stressful, but with the right documents and steps, recovery is possible. If you're facing the OKX account verification process or looking for the documents needed to unfreeze your OKX account, you've come to the right place. This guide will explain what causes account freezes, which documents you need, and a step-by-step plan to regain access. We will cover
March 10, 2026
How to Fix Frozen OKX Withdrawals: Step-by-Step Troubleshooting
# How to Fix Frozen OKX Withdrawals: Step-by-Step Troubleshooting You tried to withdraw from OKX—but your funds are frozen or stuck. This can be extremely stressful, especially when you need quick access to your crypto assets. Fortunately, there are clear steps that can help you resolve OKX withdrawal freeze issues. This guide will cover why withdrawals get frozen, how to troubleshoot, and how to prevent future problems. We will cover the main reasons
March 10, 2026
How Long Does OKX Withdrawal Take? Processing Times, Fees, and Troubleshooting
# How Long Does OKX Withdrawal Take? Processing Times, Fees, and Troubleshooting Many crypto traders worry about how quickly they can access their funds—withdrawal speed is crucial. If you're wondering about OKX withdrawal processing times, you're not alone. This guide will detail how long OKX withdrawals typically take, factors affecting timelines, and how to avoid delays. You'll also learn about OKX withdrawal fees, common troubleshooting
March 10, 2026
OKX Withdrawal Blocked Due to KYC Verification: Reasons and Solutions
# OKX Withdrawal Blocked Due to KYC Verification: Reasons and Solutions Many OKX users face sudden withdrawal blocks related to KYC verification—this article will explain why and how to resolve it. If you've encountered OKX withdrawals blocked due to KYC verification, you're not alone. This guide will explain why OKX enforces these restrictions, how its KYC process works, and how to resolve the issue
March 10, 2026
OKX Withdrawal Pending: Reasons, Solutions, and Support Guide
# OKX Withdrawal Pending: Reasons, Solutions, and Support Guide Still waiting for your OKX withdrawal to complete? You're not alone—withdrawal delays are a common concern for cryptocurrency users. If you see an "OKX withdrawal pending" status, it can be stressful, but most delays have simple explanations and solutions. This guide will detail why OKX withdrawals may be pending, the most common issues, and how long withdrawals typically take
March 10, 2026
How to Contact OKX Support for Withdrawal Issues: Step-by-Step Guide
# How to Contact OKX Support for Withdrawal Issues: Step-by-Step Guide Is your crypto withdrawal stuck? You're not alone. Many OKX users occasionally encounter withdrawal delays or issues, and knowing how to contact OKX support is crucial for quickly resolving withdrawal problems. In this guide, you'll learn how to contact OKX support, troubleshoot withdrawal issues, and get your funds flowing again. We'll walk you through the most common issues and show you
March 10, 2026
