Olivier Grzanko English

What is The Blockchain? Most of you probably haven't even heard this term ever in your life, but in fact, you use the blockchain everytime you do anything on the internet. The main idea behind blockchain is to store data by spreading it across the entire network The information that is stored on the blockchain is saved in a form of data blocks.  Each data block is connected to the previous one with the use of cryptography, programming and codes. They are built that way so faking, hacking and breaking them is impossible. There are 2 types of blochchains, public ones and private ones. Private blockchains are more complicated and we are not going to dive into them. Most webs, programms, etc. work on public blockchains.  Nowadays they are mainly associated with crypto, but  blockchains  are used everywhere.  Blockchains are built with programming languages, in crytpo for example: Ethereum's blockchain was created with Python and C++, and  Bitcoin's blockch...

Cryptocurrencies, otherwise known as "digital money" or just "crypto" is a digital payment system located on a scripted data string known as "the blockchain". In simple words, crypto is just digital money that you can buy for real money, and use however you want. Crypto is not controlled by any higher figure or institution such as countries, banks, etc, and that is what makes it so special. Its real value can't be determined by anything and anyone except people. Cryptocurrencies exchange rate varies depending on, just like normal currencies, demand and supply. The higher the demand and the smaller the supply for a given cryptocurrency, the higher its price will be. Some cryptocurrencies have a limited amount of them available. I am sure you have heard about Bitcoin - if not then educate yourself - but you probably didn't know it has limited amount available on the market which is, 21.000.000.  Actually there aren't 21 million Bitcoins available...