Get to know Bitcoin, a virtual currency that has fantastic value

Appearing for the first time in 2009, 
bitcoin still exists today. 
Even though the exchange rate fluctuates and is difficult to predict, 
the price tends to increase from year to year. 
Lastly the value of bitcoin skyrocketed, beating the value of gold

The global WannaCry cyber attack has caused quite a stir. 
In no time, news of this ransomware attack went viral. 
People who are accustomed to using computers are worried that 
the WannaCry virus will infect their computers.

All files from the computer affected by the WannaCry attack 
are either automatically locked or digitally encrypted. 
To open it, the victim must deposit US $ 300 in the account of the hacker who spread WannaCry. 
However, it is not actually dollars in the form that is being asked for, but in the form of bitcoin.

The name bitcoin also became a concern for this incident. 
The remaining questions from the WannaCry case remain. 
Actually, what is bitcoin? Here is the explanation.