Bitcoin/BTC is a digital currency that was created by a person or a group of person named Satoshi Nakamoto. Theyre produced by people, and increasingly businesses, running computers all around the world, using software that solves mathematical problems.
It is just created by satoshi nakamoto and he is only one person. Satoshi Nakamoto created bitcoin because he want to change the system of our financial system because inflation rate is the main reason why people can become rich too because the prices of the goods are going up so the ability to buy goods for a poor person is getting lower so bitcoin will become a life saver for them to fight inflation.