Bitcoin is the first global, decentralized currency that allows you to send money from one person to another without involving a third party broker, such as a bank. You only need your computer to make transactions because Bitcoin is fundamentally software.
As a decentralized currency, Bitcoin isnt controlled by anyone. Its open so that anyone can benefit from it.
You might think that the lack of control could mean chaos, but thats not true at all. Thats because Blockchain, the technology behind Bitcoin is one of the most accurate and secure systems ever created.