What is cryptocurrency?
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Cryptocurrency is digital money. They differ from conventional ones in two main ways.

Independence. Cryptocurrencies are not tied to any existing currency,
oil price, or any other assets.
Virtuality. Cryptocurrency exists only in the digital 
space, stored in an electronic wallet.
Cryptocurrency has no Central Bank-type regulator.
The only issue of digital money is "mining" by users who run applications.
For using the resources (computer power) they are paid 
a certain amount of virtual money. The more powerful 
the computer, the more "mining" there is.
To exchange the cryptocurrency for real money you can use the virtual 
services, exchangers such as Qiwi. ATM exchangers have recently begun to work in Moscow.

What cryptocurrencies exist?
There are thousands of them. Yes, it all started with bitcoin, which appeared in 2009.
The boom in the popularity of digital coins began three 
or four years later. And now there are about 300 kinds of cryptocurrencies traded on the largest 
exchange.
Anyone advanced in technology, even a schoolboy, can write their own cryptocurrency.
And this is not a metaphor: tech-savvy schoolchildren really create their own cryptocurrencies.

Cryptocurrencies are written in much the same way 
that programs are written.
The "ready-made" digital coin needs to be put on an exchange 
for users to buy it. And preferably not just one exchange, but dozens:
just like it is more profitable for a farmer to supply milk to ten stores 
instead of just one shop. And the more people buy your cryptocurrency - the higher its 
rate will go up.
Why do you need cryptocurrency? What can I buy with it?


Cryptocurrencies are bought by people who hope to make good money from their growth.
For example, in 2014 bitcoin was worth $100, and then for a long time 
was kept at a price no higher than $200, and now it is worth more than $4.7 thousand.


Financiers call buying cryptocurrencies the riskiest, but 
also the most profitable type of investment.