Cryptocurrency is a kind of symbolic currency. Which has no real form. It exists only in the Internet world. Transactions using this are only possible online. All of which is done in a secure process called cryptography. It has become an emerging market for over 2017.

In 1983, American cryptographer David Chum began working on the cryptographic method of exchanging money in digital ways. Whose name is e-cash. In the 1995, he moved towards implementing the initial form of cryptographic electronic payment through digicash. The recipient then receives the sender's money after inputting certain encrypted keys into the software. However, this money is not the same as currency (money, dollars, pounds, dinars) in any state. The point of complete disorientation. However, Satoshi Nakamoto (a person or a group) successfully introduced digital cashless payment without a central entity. Called Bitcoin.

On February 20, 2014 the first Bitcoin ATM booth opened in the United States under the auspices of Robocoin. There is an ATM booth in Austin and Texas too, but its scanners can read passports and driving licenses. Until September 2017, 1574 Bitcoin ATM was set up around the world. An average of 8 Bitcoin ATMs are set up on a day at an average cost of 9.05%.

Cryptocurrency is very popular for online bikini in many countries around the world. More than 30,000 companies like Wikipedia, WordPress, Microsoft accept cryptocurrency.