Cryptocurrency is a type of digital currency, electronic money. But unlike traditional systems, where all data is stored on a centralized server, crypto currency is decentralized. And if in theory someone can hack or disable a normal server, there is no such danger with cryptocurrency: copies of the transaction database are on the computers of all system participants, and they are constantly checked against each other using special algorithms. All cryptocurrencies are based on cryptography: very strong encryption mechanisms. Hacking such a system is almost impossible, so if there is someone who can do it - our world is in great danger and is not far from the uprising of machines. With the advent of the Internet, payments on the Internet became popular, and thus a variety of electronic currencies appeared. Naturally, the creators of these currencies wanted to make money - and appointed large commissions both for money transfers and for converting them into real money. “This is not cool,” thought advanced users. And in 2009, the anonymous author Satoshi Nikamoto presented his decision to the public: he released the information currency Bitcoin, which he proposed to use as a medium of exchange. 91335
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