Free ebook explaining how cryptocurrencies work, including blockchain, wallets, Bitcoin, Ethereum, DeFi, security, and investment risks.
Free ebook + audiobook content
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What are cryptocurrencies
+ Exercise: What was the first cryptocurrency and who created it? 3 minutes
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The Origin of Cryptocurrencies
+ Exercise: Who is the creator of Bitcoin and what year was it created? 3 minutes
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How cryptocurrencies are created
+ Exercise: What is the process used to create new cryptocurrency units and who is rewarded for completing this process? 3 minutes
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What is cryptocurrency mining
+ Exercise: What is "proof of work" in the context of cryptocurrency mining? 3 minutes
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How cryptocurrency transactions work
+ Exercise: What is needed to carry out a cryptocurrency transaction? 3 minutes
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What is blockchain
+ Exercise: What is Blockchain and how does it work? 3 minutes
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How blockchain is used in cryptocurrencies
+ Exercise: What is Blockchain and how does it work? 3 minutes
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The security of cryptocurrency transactions
+ Exercise: What are some of the crucial elements in ensuring the security of cryptocurrency transactions? 3 minutes
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What is a digital wallet
+ Exercise: What is a digital cryptocurrency wallet and how does it work? 3 minutes
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How to create a digital wallet
+ Exercise: Which of the following statements is true about cryptocurrency wallets? 3 minutes
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How to buy cryptocurrencies
+ Exercise: What is the first step to buy cryptocurrencies, according to the text? 3 minutes
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how to sell cryptocurrencies
+ Exercise: What is the first step to selling cryptocurrencies according to the guide? 3 minutes
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How to store cryptocurrencies safely
+ Exercise: Which of the following is a recommended security measure to protect your cryptocurrency wallet? 3 minutes
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What is a cryptocurrency exchange
+ Exercise: What is a cryptocurrency exchange and how does it work? 3 minutes
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How to choose a cryptocurrency exchange
+ Exercise: What are some of the important factors to consider when choosing a cryptocurrency exchange? 3 minutes
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The risks of investing in cryptocurrencies
+ Exercise: What are some of the risks associated with investing in cryptocurrencies as described in the text? 3 minutes
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The advantages of investing in cryptocurrencies
+ Exercise: What are some of the main advantages of investing in cryptocurrencies, as mentioned in the text? 3 minutes
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The different types of cryptocurrencies
+ Exercise: Which of the following cryptocurrencies was the first to be created and introduced blockchain technology? 3 minutes
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What is Bitcoin
+ Exercise: What does it mean to say that Bitcoin is a decentralized currency? 3 minutes
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How Bitcoin Works
+ Exercise: Who is responsible for creating and managing Bitcoin? 3 minutes
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What is Ethereum
+ Exercise: What primarily distinguishes Ethereum from Bitcoin? 3 minutes
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How Ethereum Works
+ Exercise: What is the main difference between Bitcoin and Ethereum? 4 minutes
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what are tokens
+ Exercise: What are tokens and how are they used? 3 minutes
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How tokens work
+ Exercise: What are tokens in the context of cryptocurrencies and how are they created? 3 minutes
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What is ICO (Initial Coin Offering)
+ Exercise: What is an Initial Coin Offering (ICO)? 3 minutes
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How to participate in an ICO
+ Exercise: What is required to participate in an ICO (Initial Coin Offering)? 3 minutes
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What is DeFi (Decentralized Finance)
+ Exercise: What is DeFi and how does it work? 4 minutes
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How DeFi works
+ Exercise: What is decentralized finance (DeFi) and how does it work? 4 minutes
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What is a smart contract
+ Exercise: Who introduced the concept of smart contracts and in what year? 3 minutes
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How smart contracts work
+ Exercise: What are smart contracts and how do they work? 3 minutes
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What is Proof of Work
+ Exercise: What is the main role of Proof of Work (PoW) in the functioning of cryptocurrencies? 3 minutes
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What is Proof of Stake
+ Exercise: What is Proof of Stake (PoS) and how does it differ from Proof of Work (PoW) in the context of cryptocurrencies? 3 minutes
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How off-chain transactions work
+ Exercise: What is an off-chain transaction in the context of cryptocurrencies? 3 minutes
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What is a fork in cryptocurrencies
+ Exercise: What is a cryptocurrency fork and what are its main types? 3 minutes
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What is a node in a cryptocurrency network
+ Exercise: What is the role of full nodes in a cryptocurrency network? 3 minutes
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What is cloud mining
+ Exercise: What is cryptocurrency cloud mining and what are its advantages and disadvantages? 3 minutes
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How cryptocurrency transaction fees work
+ Exercise: What is the role of transaction fees in cryptocurrencies? 3 minutes
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What is a 51% attack
+ Exercise: What is a 51% attack in the context of cryptocurrencies? 3 minutes
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How Privacy Works in Cryptocurrency Transactions
+ Exercise: Which of the following statements is true about privacy in cryptocurrency transactions? 3 minutes
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What is a peer-to-peer network
+ Exercise: Which of the following statements is true about Peer-to-Peer (P2P) networks? 3 minutes
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How anonymous cryptocurrencies work
+ Exercise: What are the techniques used by anonymous cryptocurrencies to hide the source and destination of transactions? 3 minutes
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What is a cryptocurrency swap
+ Exercise: What is a cryptocurrency swap and how does it work? 3 minutes
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How stablecoins work
+ Exercise: What is the main purpose of stablecoins in the cryptocurrency ecosystem? 3 minutes
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What is a cryptocurrency whitepaper
+ Exercise: What is a cryptocurrency whitepaper and what is its function? 3 minutes
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What is halving in cryptocurrencies
+ Exercise: What does the term "halving" mean in the context of cryptocurrencies? 3 minutes
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What is a mining pool
+ Exercise: What is a cryptocurrency mining pool and how does it work? 3 minutes
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What is a hard fork and a soft fork
+ Exercise: What differentiates a Hard Fork from a Soft Fork in the cryptocurrency sphere? 3 minutes
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What is a cryptocurrency address
+ Exercise: What is a cryptocurrency address and what is its function? 3 minutes
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How private and public keys work
+ Exercise: Which of the following statements is true about private and public keys in cryptocurrencies? 3 minutes
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What is a blockchain explorer
+ Exercise: What is a blockchain explorer and what are its main functions? 3 minutes
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What is a cryptocurrency hash
+ Exercise: What is the function of the hash in cryptocurrencies and how is it generated? 3 minutes
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What is a full node in cryptocurrencies
+ Exercise: What is a full node in cryptocurrencies and what is its role? 3 minutes
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What is a light node in cryptocurrencies
+ Exercise: What is a light node (or light node) in cryptocurrencies and how does it work? 3 minutes
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What is a pending transaction in cryptocurrencies
+ Exercise: What is a pending transaction in cryptocurrencies? 3 minutes
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How cryptocurrencies work in tax terms
+ Exercise: What happens when you sell, exchange or dispose of a cryptocurrency in tax terms? 3 minutes
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What is a cold and hot wallet
+ Exercise: Which of the following statements correctly describes the difference between hot and cold wallets for storing cryptocurrencies? 3 minutes
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What is a Sybil Attack
+ Exercise: What is a Sybil attack and how do cryptocurrencies protect against it? 3 minutes
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What is a double spending attack
+ Exercise: What is a Cryptocurrency Double Spending Attack? 3 minutes
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What is a blockchain reorganization attack
+ Exercise: What is a blockchain reorganization attack and what are some of the possible consequences? 3 minutes
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What is a dusting attack on cryptocurrencies
+ Exercise: What is a Dusting Attack in the context of cryptocurrencies? 2 minutes
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What is a brute force attack on cryptocurrencies
+ Exercise: Which of the following is an effective way to protect your cryptocurrency wallet from brute force attacks? 3 minutes
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How decentralized exchanges work
+ Exercise: Which of the following statements is true about decentralized exchanges (DEXs)? 3 minutes
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What is a non-fungible token (NFT)
+ Exercise: What is an NFT (Non-Fungible Token)? 3 minutes
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What is a DAO (Decentralized Autonomous Organization)
+ Exercise: What is a DAO (Decentralized Autonomous Organization) and how does it operate? 3 minutes
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How DAOs work
+ Exercise: What are Decentralized Autonomous Organizations (DAOs) and how do they work? 3 minutes
About the free ebook with audio
How Cryptocurrencies Work, From Basics to Advanced
This free ebook explains how cryptocurrencies function, from the principles behind digital money to the systems that support modern crypto markets. Learn how blockchain records are shared, how transactions are validated, and why public and private keys are central to ownership and security.
Build practical crypto knowledge
Explore wallets, exchanges, buying and selling, transaction fees, safe storage, and the differences between hot and cold wallets. The ebook also clarifies mining, nodes, hashes, addresses, blockchain explorers, and common transaction states.
Understand major networks and applications
Discover how Bitcoin, Ethereum, tokens, stablecoins, NFTs, DeFi, smart contracts, decentralized exchanges, and DAOs fit into the cryptocurrency ecosystem. Clear explanations help you connect technical concepts with their real-world uses.
Recognize risks and security considerations
Cryptocurrency markets and systems involve significant risks. This ebook examines volatility, investment considerations, tax awareness, scams, and attacks such as double spending, Sybil attacks, 51% attacks, dusting, and blockchain reorganizations.
What you will gain
- A clear understanding of how blockchain-based transactions work
- Knowledge of wallets, exchanges, keys, and secure storage practices
- Context for consensus mechanisms, forks, ICOs, and decentralized finance
- A stronger foundation for evaluating cryptocurrency information responsibly
This educational resource is designed to help readers understand the terminology, mechanisms, opportunities, and limitations of cryptocurrencies. It does not provide financial, legal, or tax advice.
How does a cryptocurrency transaction get confirmed?
A network validates the transaction and records it on the blockchain through its consensus process.
What is the difference between a hot wallet and a cold wallet?
A hot wallet is internet-connected; a cold wallet keeps keys offline for stronger protection.
What are Proof of Work and Proof of Stake?
They are consensus methods used to validate transactions and secure blockchain networks.
This ebook/audiobook includes:
3 hours and 43 minutes of audio content
Digital certificate of course completion (Free)
Exercises to train your knowledge
100% free, from content to certificate
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