Introduction
Crypto’s trillion-dollar question: Can you keep it safe?
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1. How Cryptocurrencies and Blockchain Work
What is blockchain technology?
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How cryptocurrency transactions work
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How consensus keeps blockchain trustworthy
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Why data on blockchain can’t be changed
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Public/private keys and wallet addresses
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Cryptographic foundations
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2. Cryptocurrency and Blockchain Ecosystem Security
End-to-end architecture and ecosystem
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Smart contracts and dapps explained
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Understanding the attack surface
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Security model: Four-layer approach
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3. Protecting Your Crypto Assets
Keeping your wallet and keys safe
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Web security, scams, and phishing
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4. Securing Wallets, Exchanges
Wallet types and security risks
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How secure are crypto exchanges?
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Oracle risks: The data trust gap
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5. Securing the Blockchain Platform
Attacks on proof-of-work chains
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Risks in proof-of-stake protocols
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6. Securing Smart Contracts and Dapps
Smart contracts in Ethereum and EVM
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Common smart contract vulnerabilities
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Smart contracts: Front-running attacks
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Designing and testing secure contracts
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Glossary_Cryptocurrenciesand_Blockchain_Security_Build_Secure_Foundation.zip
(70 KB)