Bitcoin is the first decentralized digital currency, created in 2009 by an unknown person under the name 'Satoshi Nakamoto'. It relies on blockchain technology, ensuring transparency and security without the need for an intermediary like banks. Bitcoins are produced through mining, and the total supply is capped at 21 million units. It is characterized by its price volatility, making it a high-risk investment. Despite criticisms regarding its energy consumption and instability, it has gained wide acceptance as a means of payment and a store of value. Bitcoin is a pioneer in the world of cryptocurrencies, changing the concepts of traditional money.