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Here's Lesson 1 on Crypto and Blockchain:
# Lesson 1: Introduction to Blockchain and Cryptocurrency
*What is Blockchain?*
Blockchain is a decentralized, digital ledger that records transactions across a network of computers. It's like a big book that keeps track of all the transactions, but instead of being stored in one place, it's spread across many computers.
*Key Features of Blockchain:*
1. *Decentralized*: Blockchain is not controlled by a single entity, making it resistant to censorship and manipulation.
2. *Immutable*: Transactions on the blockchain are permanent and can't be altered.
3. *Transparent*: All transactions are recorded publicly, making it possible to track the history of transactions.
*What is Cryptocurrency?*
Cryptocurrency is a digital or virtual currency that uses cryptography for security and is decentralized, meaning it's not controlled by any government or institution.
*Key Features of Cryptocurrency:*
1. *Digital*: Cryptocurrencies exist only in digital form.
2. *Decentralized*: Cryptocurrencies are not controlled by any government or institution.
3. *Limited Supply*: Most cryptocurrencies have a limited supply of coins or tokens.
*Relationship Between Blockchain and Cryptocurrency:*
Blockchain is the underlying technology behind cryptocurrency. Cryptocurrencies use blockchain to record transactions and manage the creation of new units.
*Examples of Cryptocurrencies:*
1. Bitcoin (BTC)
2. Ethereum (ETH)
3. Litecoin (LTC)
