Bitcoin is a decentralized digital currency that was invented in 2008 by an unknown person or group of people using the pseudonym Satoshi Nakamoto. It was introduced as an open-source software in 2009, and it is the first and most well-known cryptocurrency.
Bitcoin has gained significant attention and popularity as a digital asset and a form of investment. Its decentralized nature and potential for high returns have attracted many investors. Additionally, Bitcoin has also been used for various purposes, such as online purchases, remittances, and as a store of value in countries with unstable economies.