It was first released as open source software in January 2009 by Satoshi Nakamoto. He is a programmer. Nobody knows about it. Different people have been claiming themselves to be Satoshi Nakamoto in different places, but till date its real programmer has not been found.
In today's time, many such programmers are engaged in making it more secure and strong. Its original purpose was to issue money from one place to another without the help of any third party or any central authority.
Software related to this has been prepared all over the world. On May 22, 2010, 10,000 bitcoins were offered for a pizza for the first time. At that time the price of 1 bitcoin was 10 seconds or less, but today its value has increased a thousand times.
Due to being bought by more and more people, its price is continuously increasing.