You've probably heard of Bitcoin and Blockchain, however, many people don't really understand what they truly are, how they are built and why everybody is talking about the amazing future of blockchain and blockchain based cryptocurrencies such as Bitcoin, Ethereum, Litecoin and others.
Bitcoin is the most known cryptocurrency and blockchain use.

In this Blockchain and Crypto Course you'll learn:
# How does Bitcoin work? When a Bitcoin user makes a purchase, the payment triggers a broadcast of the financial transaction to the Bitcoin network. Approximately every ten minutes a bundle of transactions, called a “block”, is added to the block chain.
# Blockchain technology from the beginning - A blockchain (originally block chain) is a continuously growing list of records, called blocks, which are linked and secured using cryptography. Each block contains typically a hash pointer as a link to a previous block, a timestamp and transaction data. By design, blockchains are inherently resistant to modification of the data. Functionally, a blockchain can serve as “an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way.
#What is Defi (dex)

# Mining bitcoins - how to create Cryptocurrencies - Those who take part in maintaining the block chain are called miners and are rewarded with newly created bitcoins and transaction fee payments. Miners all over the world process payments by verifying each transaction as valid, adding it to the block chain and therefore secure the network. 
# Cryptocurrency and Bitcoin as investment - Those who take part in maintaining the block chain are called miners and are rewarded with newly created bitcoins and transaction fee payments. Miners all over the world process payments by verifying each transaction as valid, adding it to the block chain and therefore secure the network.  We will talk about its price volatility, alternative to national currencies, speculations and bubbles
# Buying and selling bitcoins - Bitcoin can be bought and sold for many different currencies from individuals and from companies. The fastest way to obtain bitcoins is to purchase them in person or at a Bitcoin ATM for cash. Bitcoin ATMs allow bitcoins to be purchased for cash,  and some also allow cash withdrawals from Bitcoin wallets stored on smartphones. Participants in online exchanges offer bitcoin buy and sell bids.
# Bitcoin Wallets - Bitcoin uses public-key cryptography, in which a pair of a public and a private cryptographic key is generated. A collection of keys is called a wallet. Note that sometimes the term is used to mean the software in the sense of digital wallet. A Bitcoin transaction transfers ownership to a new address, a string having the form of random letters and numbers derived from public keys by application of a hash function and encoding scheme.
# Ways to buy Cryptocurrencies and Bitcoins - Buy bitcoins using paypal, credit card, Bank Transfer or buy bitcoins using Cash. There are more ways to get cryptocurrencies: Gift cards, Ideal, direct seller, Physical Trading, Exchanges and more
# ICO – Initial coin offering based on Blockchain and Crypto currency technology – ICO is an unregulated means of crowdfunding via use of cryptocurrency. The term is often confused with ‘token sale’ or crowdsale, which refers to a method of selling participation in an economy, giving investors access to the features of a particular project starting at a later date. ICOs, on the other hand, sell a right of ownership or royalties to a project. 
# How to become a bitcoin miner - Well before you begin mining Bitcoins, this is actually helpful to recognize what Bitcoin mining actually means.More than that, you will learn about the software and hardware needed, mining pools and more

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