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  1. 1. What are these cryptocurrencies?
  2. 2. Bitcoin - the story of a technological revolution
  3. 3. Satoshi Nakamoto, who is the creator of Bitcoin?
  4. 4. Vitaly Buterin – the creator of Ethereum
  5. 5. What is Blockchain, and how does it work?
  6. 6. What is an NFT token?
  7. 7. What is money?
  8. 8. Cryptocurrencies vs fiat money, which will win?
  9. 9. What is DeFi (Decentralized Finance)?
  10. 10. DeFi: opportunities, advantages and disadvantages of decentralized finance
  11. 11. What is an altcoin?
  12. 12. Stablecoins - What are they?
  13. 13. Cryptocurrency wallet - what is it?
  14. 14. Why do we talk about bull and bear markets?
  15. 15. Security in the crypto market - what rules are worth following?
  16. 16. What is the seed phrase in cryptocurrencies?
  17. 17. Dogecoin and memecoin - what are they?
  18. 18. What is a Ponzi scheme?
  19. 19. What is a Soft and Hard Fork?
  20. 20. Blockchain - examples of use
  21. 21. Is blockchain safe?
  22. 22. Smart Contracts - what are they?
  23. 23. What is Ethereum? 
  24. 24. Liquidity in the cryptocurrency market
  25. 25. What is cryptocurrency mining?
  26. 26. What is the mining difficulty?
  27. 27. Inflation and its effects on financial markets
  28. 28. What is compound interest, and how does it work?
  29. 29. Cryptocurrency wallet diversification
  30. 30. Blockchain and NFT games - how to make money on them?
  31. 31. Decentralized Apps – what are they?
  32. 32. What is Proof of Work (PoW) and what is Proof of Stake (PoS)?
  33. 33. What is Proof of Burn (PoB)?
  34. 34. What is the Proof of Authority (PoA) consensus mechanism?
  35. 35. What Are Privacy Coins and Are They Legal?
  36. 36. What is CBDC - central bank digital money?
  37. 37. What is Cryptocurrency Airdrop all about?
  38. 38. What are the types of blockchain networks?
  39. 39. Key differences between ICO, IEO and STO
  40. 40. What is IoT - the Internet of Things?
  41. 41. What is the difference between Circulating Supply and Total Supply?
  42. 42. Everything you need to know about gas fees in Ethereum!
  43. 43. The most important cryptocurrency acronyms/slang you need to know!
  44. 44. Halving Bitcoin - what is it, and how does it affect the price?
  45. 45. What is the Fear and Greed index for cryptocurrencies?
  46. 46. APR versus APY: what is the difference?
  47. 47. Snapshot from the world of cryptocurrencies - what is it?
  48. 48. Know your customer (KYC) and Anti-money laundering (AML) what are they in the cryptocurrency industry?
  49. 49. What is a whitepaper? What is its purpose, and how do you write it?
  50. 50. How do you transfer cryptocurrencies?
  51. 51. What is EURT? How does it work?
  52. 52. What is an Initial Farming Offer (IFO)?
  53. 53. What is Regenerative Finance (ReFi)?
  54. 54. Bitcoin Pizza Day
  55. 55. What Is Stagflation and Why Does It Have a Negative Impact on the Market?
  56. 56. What are decentralized DAO organizations, and how do they work? What are DAO tokens?
  57. 57. CyberPunks - the story of the most popular NFT collection in the crypto industry!
  58. 58. Michael Saylor, Self-Proclaimed Bitcoin Maximalist
  59. 59. AI blockchain - a new look into the future?
  60. 60. The Bored Ape Yacht Club (BAYC) - the story of the popular NFT collection!
  61. 61. Who is Changpeng Zhao, CEO of Binance?
  62. 62. What is blockchain network congestion, and how does it work?
  63. 63. Azuki NFT collection guide: everything you need to know about it!
  64. 64. Who Is Craig Wright, the Alleged Creator of Bitcoin?
  65. 65. What Is Bitcoin (BTC.D) Dominance?
  66. 66. What is WorldCoin? Everything you need to know about this cryptocurrency!
  67. 67. Who is Brian Armstrong - CEO of Coinbase?
  68. 68. The 10 most expensive non-fungible tokens (NFTs) ever!
  69. 69. Web3's most popular social media platforms! Will they replace the platforms we know?
  70. 70. Cryptocurrency wallets: Hot Wallet vs. Cold Wallet - key differences!
  71. 71. Gavin Wood: Blockchain Visionary and Co-Founder of Ethereum
  72. 72. The memecoin story: madness or great investment?
  73. 73. Blockchain versus databases: key differences!
  74. 74. NFT Art: The digital art revolution - history and examples!
  75. 75. Who is Galy Gensler and the SEC? How does the Securities and Exchange Commission (SEC) affect the cryptocurrency market?
  76. 76. On-chain analysis in the cryptocurrency world: Everything you need to know about It
  77. 77. What are utility tokens and what use do they have in the cryptocurrency sector?
  78. 78. Can you pass on your cryptocurrencies after death? How do you pass on a cryptocurrency inheritance?
  79. 79. What is the Howey test? What application does it have in cryptocurrencies?
Lesson 1 of 79
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1. What are these cryptocurrencies?

By now, everyone has probably heard of cryptocurrencies and Bitcoin, but do you understand what they are and why their popularity is growing? If you’re just getting started with cryptocurrencies, sit back and check out our lessons!

A cryptocurrency is a digital token (a digital asset that, unlike banknotes and coins, has no physical form). The asset is traded Peer-to-Peer (P2P), person-to-person, without third parties such as banks or institutions.

Most cryptocurrencies operate in a completely decentralized manner, meaning they are not under the control of government agencies. Plus, transactions are fast and cheap. Imagine being able to send $1,000 to Africa, South America, or Asia in minutes for just a few cents, all from your couch. What’s more, once a transaction is added to the blockchain, it becomes irreversible. The irreversibility of the transaction prevents falsification of records and fraud in the system, but we’ll talk more about that when discussing what Blockchain is.

Bitcoin (BTC) is the first official cryptocurrency that was created on January 3, 2009, by someone named “Satoshi Nakamoto”. Bitcoin has become the market leader, but there are dozens of new cryptocurrencies arriving every day.

It is worth noting that the term ”cryptocurrency” is used not only to refer to Bitcoin itself, but also to refer to altcoins (any cryptocurrency other than Bitcoin, the so-called alternative coins), which also include stablecoins, or tokens.

Digital assets are carriers of value. Some of them play the role of money. These features include: divisibility, preservation of value or exchangeability. The governments of countries are afraid to legalize cryptocurrencies as legal money. There are exceptions! In September 2021 El Salvador recognized Bitcoin as a full legal tender. So far, in several places around the world, Bitcoin is already on par with fiat currencies such as USD, EURO or PLN. Other countries are in the process of accepting similar solutions. In Poland, trading in digital assets is fully legal. There is no ban on using them or creating new assets.

In addition to Bitcoin, there are many more cryptocurrencies that are worth paying attention to, and in appropriate time it is worth reading their fundamental analysis; i.e., how the cryptocurrency and the project is built, what problems it solves, and whether there is a chance for its development:

Below are some altcoins:

  • Ethereum (ETH)
  • Ripple (XRP)
  • Litecoin
  • NEO
  • IOTA
  • Tether
  • BNB
  • Cardano (ADA)
  • Terra (LUNA)
  • Solana (SOL)
  • Polkadot (DOT)
  • Polygon (MATIC)

Cryptocurrencies were created for many reasons. One of them includes the desire to respect privacy. Digital assets in this form are an alternative payment source where transactions are private. That is, as we mentioned earlier-the system does not need third parties to finalize transactions. However, this is a topic for another lesson!

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