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Bitcoin is a digital currency and also a digital payment system. It is widely used all over the world as a cryptocurrency and is accepted as a means of exchange, in trade, investment, and savings. Bitcoin was invented by someone by the alias Satoshi Nakamoto in 2009. His real name is not known. Some suspect it was created by a group of programmers by the same pseudo-name. However, this currency has gained worldwide acceptance and is very popular due to its many benefits.

How do they work? A digital currency keeps running on a blockchain, which is a common record or report copied a few times over a system of PCs. The refreshed report is dispersed and made accessible to all holders of the cryptographic money. Each and every exchange made and the responsibility for single digital money available for use is recorded in the blockchain. The blockchain is controlled by "miners", who utilize effective PCs that count the exchanges. Their capacity is to refresh each time an exchange is made and furthermore guarantee the genuineness of data.